Disposable wear article
Abstract
[Subject] the [solution means] disposable wear goods 20A which offer the disposable wear goods which can form the pocket which can accommodate excrement in a length-from-the-crotch-to-the-cuff region, and can prevent mixing with urine and excrement, The non-透液性 base sheet 21 and a pair of non-透液性防漏 sheets 22 arranged at the both-sides part 32 of the sheet 21, It consists of the 2nd panel 24 of humors absorbency located in the 1st panel 23 of humors absorbency that was located in the length-from-the-crotch-to-the-cuff region 28 of the sheet 21, and the circumference region 29 of a back trunk, and adhered to the sheet 21, and the circumference region 27 of a front trunk and the length-from-the-crotch-to-the-cuff region 28 of the sheet 21. The 2nd panel 24 has the after [freedom] region 56 of not adhering to the sheet 21, and the fixed both-sides region 57 which was located in the both-sides part 32 and adhered to the sheet 21 by being located in the region 55 before fixation which adhered to the circumference region 27 of a front trunk, and the length-from-the-crotch-to-the-cuff region 27. The after [freedom] region 56 is formed from the leg 65 which has been prolonged to the upper part of the sheet 21 and adhered to the free part 35 of the sheet 22, and the central part 66 on which an arc is drawn to the upper part of the leg 65. Between the sheet 21 and the free rear 65, the pocket 69 which carries out an opening toward the circumference region 29 of a back trunk from the length-from-the-crotch-to-the-cuff region 28 is formed. [Selection figure] Fig. 1
Term
Term ended
Projected expiry passed 12 April 2024, 2.5 years ago.
- Priority and filed
- Published
- Projected expiry
- Today
13 claims: 3 independent, 10 dependent
- 1It is located between the impermeable base sheet having the front and rear waist circumference area and the inseam area in the vertical direction, the pair of impermeable leak-proof sheets arranged on both sides of the base sheet, and the leak-proof sheet. It is composed of a body fluid-absorbing first panel fixed to the base sheet, and the leak-proof sheet is located on both sides of the base sheet and has fixed side portions extending in the vertical direction and elasticity extending in the vertical direction. In a disposable wear article having a free portion to which an elastic member is contractably attached and having an upright tendency upward of the base sheet, and fixed end portions located at the front and rear ends of the base sheet and lying down laterally. The article has a body fluid-absorbing second panel located between the leak-proof sheets and extending to the front waist circumference area and the inseam area of the base sheet, and the first panel is the base sheet. The second panel extends to the rear waist circumference area and the inseam area, and the second panel is located in the inseam area and the fixed front area fixed to at least the front end portion of the front waist circumference area of the base sheet. It has a non-fixed free rear region and a bilateral region located on both sides of the base sheet. The free rear region of the second panel extends upward from both sides of the base sheet and is fixed to the free portion of the leak-proof sheet, and the legs are located between the legs. It is formed from a central portion that is convex upward, and at least a part of the central portion extends upward from the top portion of the free portion of the leak-proof sheet, and the free rear region of the base sheet and the second panel. The worn article is characterized in that it forms a pocket that opens at least in the inseam area of the front waist circumference area and the inseam area. 縦方向に前後胴周り域および股下域を有する不透液性ベースシートと、前記ベースシートの両側部に配置された一対の不透液性防漏シートと、前記防漏シートの間に位置して前記ベースシートに固着された体液吸収性第1パネルとから構成され、前記防漏シートが、前記ベースシートの両側部に位置して縦方向へ延びる固定側部と、縦方向へ延びる伸縮性弾性部材が収縮可能に取り付けられて前記ベースシートの上方へ起立性向を有する自由部と、前記ベースシートの前後端部に位置して横方向へ倒伏した固定両端部とを有する使い捨て着用物品において、 前記物品が、前記防漏シートの間に位置して前記ベースシートの前胴周り域と股下域とに延在する体液吸収性第2パネルを有し、前記第1パネルが、前記ベースシートの後胴周り域と股下域とに延在し、前記第2パネルが、前記ベースシートの前胴周り域の少なくとも前端部に固着された固定前域と、前記股下域に位置して前記ベースシートに非固着の自由後域と、前記ベースシートの両側部に位置する両側域とを有し、 前記第2パネルの自由後域が、前記ベースシートの両側部から上方へ延びていて前記防漏シートの自由部に固着された一対の脚部と、前記脚部の間に位置して該脚部の上方へ凸となる中央部とから形成され、前記中央部の少なくとも一部が、前記防漏シートの自由部の頂部分から上方へ延出し、前記ベースシートと前記第2パネルの自由後域とが、前記前胴周り域と前記股下域とのうちの少なくとも該股下域において開口するポケットを形成していることを特徴とする前記着用物品。
- 7Any of claims 1 to 6, wherein a pair of bending guides extending in the vertical direction separated by a predetermined dimension in the lateral direction are formed between the legs and the central portion in the free rear region of the second panel. Worn items listed in the crab. 横方向へ所定寸法離間して縦方向に延びる一対の折曲案内部が、前記第2パネルの自由後域における脚部と中央部との間に形成されている請求項1ないし請求項6いずれかに記載の着用物品。
- 8Claim that the bending guide portions are separated from each other gradually from the inner end portion of the free rear region toward the side of the fixed front region, and reach the both side regions on the fixed front region side. 7 Worn items listed. 前記折曲案内部は、互いの離間寸法が前記自由後域の内端部分から前記固定前域の側へ向かって次第に大きくなり、前記固定前域の側において前記両側域に達している請求項7記載の着用物品。
Independent claims3
101 paragraphs, as filed
The present invention relates to disposable wear articles that absorb and retain excrement.
It has a front waist area and a rear waist area in the vertical direction and an inseam area located between those waist areas, and is located on the skin contact side and the skin non-contact side. It is composed of an impermeable back sheet and a liquid-absorbent core that extends between the front and rear waist circumferences between the front and back sheets, and is formed of an upper core and a lower core in which the cores overlap in the thickness direction. There are disposable diapers (see Patent Document 1).
The upper core is formed of a front core extending from the front waist circumference area to the inseam region and a rear core extending from the inseam region to the rear waist circumference region. The facing ends of the front and rear cores located in the inseam region are separated by a predetermined dimension in the vertical direction. The lower core coated on the surface sheet is exposed between the opposite ends of the front and rear cores. The surface sheet covering the upper surface of the upper layer core is bent toward the lower layer core at the opposite ends of the front and rear cores, and is folded between the upper layer core and the lower layer core. In this diaper, a step is formed between the front-rear core and the lower core in the inseam region, and a recess is formed which is recessed in the thickness direction of the diaper from the opposite end of the front-rear core and the lower core.<patcit num="1"><text>Japanese Unexamined Patent Publication No. 8-196565</text></patcit>
<p> In the diaper disclosed in Patent Document 1, the lower surface of the front and rear cores and the upper surface of the lower core easily come into contact with each other, and it is difficult to form a space between the front core and the lower core. Since it is difficult to form a space between the two, even if the excrement enters the recess formed in the inseam area, the excrement can be placed between the front core and the lower core or between the rear core and the lower core. Cannot be accommodated. In this diaper, even if a small space is formed between the anterior-posterior core and the lower core, a large amount of excrement cannot be accommodated in the space, and the excrement covers the upper surface of the anterior-posterior core and the lower core. It diffuses and may mix urine and stool in the excrement and stain the wearer's skin. In addition, since the upper core and the lower core overlap each other in the front and rear waist circumference area of this diaper, the thickness dimension of the core in the front and rear waist circumference area increases more than necessary, and the core feels uncomfortable with the diaper worn in a bulky manner. There is.</p><p> An object of the present invention is to provide a disposable wearing article which can form a pocket capable of accommodating stool in the inseam area, prevent mixing of urine and stool, and do not cause discomfort during wearing.</p>
<p> The premise of the present invention for solving the above problems is an impermeable base sheet having an anterior-posterior waist circumference area and an inseam area in the vertical direction, and a pair of impermeable liquid-proof base sheets arranged on both sides of the base sheet. It is composed of a sheet and a body fluid absorbing first panel that is located between the leak-proof sheets and fixed to the base sheet, and the leak-proof sheets are located on both sides of the base sheet and extend in the vertical direction. A free portion in which a stretchable elastic member extending in the vertical direction is attached so as to be contractible and has an upright tendency upward of the base sheet, and a fixed both end portion located at the front and rear ends of the base sheet and lying down in the lateral direction. It is a disposable wear item to have.</p><p> The features of the present invention in the above premise are as follows. The article has a fluid-absorbing second panel located between the leak-proof sheets that extends to the anterior girth area and inseam area of the base sheet, with the first panel being the rear girth area of the base sheet. A fixed front area that extends to the inseam area and the second panel is fixed to at least the front end of the front waist circumference area of the base sheet, and a free rear area that is located in the inseam area and is not fixed to the base sheet. It has both sides located on both sides of the base sheet, and the free rear area of the second panel extends upward from both sides of the base sheet and has a pair of legs fixed to the free parts of the leakproof sheet. , Formed from a central portion located between the legs and protruding upward from the leg, at least a portion of the central portion of the free rear region of the second panel is from the top of the free portion of the leakproof sheet. It extends upward. In the present invention, the base sheet and the free rear region of the second panel form a pocket that opens in at least the inseam region of the front waist circumference region and the inseam region.</p><p> The present invention has the following embodiments. (1) As an example of the embodiment of the present invention, at the inner end portion of the free rear region, the leg portion and the central portion are bent upward of the second panel, and the bent central portion is the free leakage-proof sheet. It extends upward from the top of the part. (2) As another example of the embodiment of the present invention, in the inner end portion of the free rear region, at least the thickness dimension of the central portion of the leg portion and the central portion is the remainder of the free rear region excluding the inner end portion. Larger than that, the central part extends upward from the top part of the free part of the leak-proof sheet at the inner end part. (3) In another example of the embodiment of the present invention, the leg portion of the free rear region is fixed below the top portion of the free portion of the leak-proof sheet, and the top portion extends above the leg portion. (4) As another example of the embodiment of the present invention, a spacer extending in the lateral direction is arranged in the pocket, and the spacer is fixed to at least one of the leg portion and both side regions of the free rear region. It has both ends and a free middle portion extending between the fixed ends, and the legs in the free rear region are pulled inward in the lateral direction by the spacer. (5) In another example of the embodiment of the present invention, the spacer has elastic elasticity in the lateral direction and is arranged so as to be contractible in the pocket, and the legs in the free rear region are based by the contraction force of the spacer. The seat is pulled inward in the lateral direction. (6) In another example of the embodiment of the present invention, a pair of bending guides extending in the vertical direction separated by a predetermined dimension in the horizontal direction are provided between the legs and the central portion in the free rear region of the second panel. It is formed. (7) As another example of the embodiment of the present invention, the bent guide portions are fixed by gradually increasing the distance from each other from the inner end portion of the free rear region of the second panel toward the fixed front region side. It reaches both sides on the front side. (8) In another example of the embodiment of the present invention, the leg portion of the free rear region is fixed to the free portion of the leak-proof sheet in the vicinity of the bending guide portion. (9) In another example of the embodiment of the present invention, the rigidity of the second panel in the bending guide portion is lower than that in the free rear region of the second panel excluding the bending guide portion. (10) Another example of the embodiment of the present invention is in the bending guide section. The rigidity of the 2nd panel is higher than that of the free rear region of the 2nd panel excluding the bending guide. (11) In another example of the embodiment of the present invention, the first panel extends to the rear waist circumference area of the base sheet and the substantially rear half of the inseam area, and the second panel extends to the front waist circumference area of the base sheet. It extends to approximately the front half of the inseam area, and the inner edge of the first panel is located below the free rear area of the second panel and extends into the pocket. (12) In another example of the embodiment of the present invention, the first panel is formed of a liquid-permeable first sheet and a liquid-absorbing first core located below the first sheet, and the second panel is formed. , It is formed of a liquid-permeable second sheet and a liquid-absorbing second core covered by the second sheet.</p>
<p> According to the disposable wear article according to the present invention, the free rear area of the second panel is curved so as to be convex upward toward the base sheet, and the front waist circumference area and the inseam are between the base sheet and the free rear area. Since a pocket is formed that opens at least in the inseam area of the area, even if the stool excreted in the inseam area and the rear waist area flows toward the front waist area, the stool is stored in the pocket. can do. In this article, the urine excreted in the anterior girth area and the inseam area is absorbed and held in the second panel, and the stool excreted in the inseam area and the inseam area is absorbed and held in the first panel, and the pocket. Since it is housed in, urine and stool can be separated, and it is possible to prevent the wearer's skin from becoming dirty due to the mixture of urine and stool. In this article, the legs of the free rear area of the second panel are fixed to the free part of the leak-proof sheet, and the free rear area is lifted above the base sheet by the free part of the leak-proof sheet. The shape of the free rear area that is convex upward is held by the free part of the leak-proof sheet, and the legs of the free rear area that extends upward from the base sheet do not inadvertently fall down, and the free part of the leak-proof sheet can be used. It can be utilized to retain the shape of the pocket formed between the base sheet and the free rear area of the second panel. This article has a pocket that is difficult to close its mouth and can reliably hold stool in the pocket. In this article, at least a part of the central part of the free posterior region extends upward from the top of the free portion of the leak-proof sheet, and the central portion of the free posterior region is between the wearer's genitals and anus while wearing the article. The central part of the free posterior region forms a barrier that separates the wearer's genitals and anus, so that urine and stool can be reliably separated, and the wearer due to the mixture of urine and stool. You can surely prevent the dirt on your skin. In this article, the first and second panels do not overlap in the front and rear waist circumference area, and the panels do not become bulky, so that there is no discomfort with the worn article.</p><p> Articles in which the legs and the center are bent upward on the second panel at the inner end of the free rear region, and the bent center extends upward from the top of the free part of the leak-proof sheet. The central part, which is bent during wearing of the article, ensures close contact between the wearer's genitals and anus, and the central part forms a barrier that separates the wearer's genitals and anus, ensuring urine and stool. It can be separated into genitals, and the stain on the wearer's skin due to the mixture of urine and stool can be reliably prevented.</p><p> At least the thickness dimension of the central portion of the leg and the central portion at the inner end portion of the free rear region is larger than that of the remainder of the free rear region excluding the inner end portion, and the central portion is leak-proof at the inner end portion. Articles extending upward from the top of the free part of the seat ensure that the central part is in close contact between the wearer's genitals and anus, and the central part forms a barrier separating the wearer's genitals and anus. Therefore, the urine and the stool can be surely separated, and the stain on the wearer's skin due to the mixture of the urine and the stool can be surely prevented.</p><p> For articles in which the legs of the free posterior region are fixed below the top of the free portion of the leak-proof sheet and the apex extends above the legs, urine that diffuses the upper surface of the free posterior region is applied to the legs. Even if it flows toward it, the top portion of the free portion of the leak-proof sheet forms a barrier against urine to prevent the flow of urine, so that lateral leakage of urine in the posterior free region can be prevented.</p><p> A spacer extending in the lateral direction is placed in the pocket, and the article in which the legs of the free rear region of the second panel are pulled inward in the lateral direction of the base sheet by the spacer is convex in the upward free rear region of the base sheet. The shape of the pocket is held by the spacer so that the legs extending upward from the base sheet do not inadvertently fall down, and the spacer is used to form a pocket between the base sheet and the free rear area of the second panel. The morphology can be reliably retained. This article has a pocket that is difficult to close its mouth and can reliably hold stool in the pocket.</p><p> A spacer that has elastic elasticity in the lateral direction and extends laterally is arranged in the pocket so as to be contractible, and the contraction force of the spacer causes the legs in the free rear region of the second panel to be laterally inward of the base sheet. The article attracted to the base sheet retains the shape of the free rear region that protrudes upward by the spacer, and the legs extending upward from the base sheet do not inadvertently fall down, utilizing the contraction force of the spacer. As a result, the shape of the pocket formed between the base sheet and the free rear area of the second panel can be reliably maintained. This article has a pocket that is difficult to close its mouth and can reliably hold stool in the pocket.</p><p> For articles in which a pair of bending guides extending in the vertical direction separated by a predetermined dimension in the horizontal direction are formed between the legs and the center in the free rear region of the second panel, the free rear region is the bending guide. Since it bends through the part, the legs of the free rear area located on both sides of the bend guide easily stand up above the base sheet, and the free rear area of the second panel easily protrudes upward the base sheet. A pocket can be reliably formed between the base sheet and the free rear area of the second panel.</p><p> The distance between the folding guides gradually increases from the free rear region to the fixed front region side, and the articles whose bending guides reach both sides on the fixed front region side are free on the second panel. By bending the rear area through these bend guides, the free rear area is clearly divided into the legs located on both sides of the bend guide and the central part located between the bend guides, and the legs. The portion easily stands up above the base sheet, the free rear area easily protrudes upward from the base sheet, and a pocket can be reliably formed between the base sheet and the free rear area of the second panel.</p><p> An article in which the leg of the free rear area of the second panel is fixed to the free part of the leak-proof sheet near the bending guide portion causes the free part of the leak-proof sheet to lift the free rear area above the base sheet. Since the free rear area of the 2nd panel is bent at the bending guide, the free rear area of the 2nd panel is surely bent at the bending guide, the legs are easy to stand above the base sheet, and the free rear area is It easily protrudes upwards on the base sheet, ensuring that a pocket is formed between the base sheet and the free rear area of the second panel.</p><p> For articles whose rigidity of the second panel in the bending guide is lower than that of the free rear area of the second panel excluding the bending guide, the free rear area is surely bent in the bending guide, so that the second panel can be bent. The free rear area easily protrudes upward from the base sheet, and a pocket can be reliably formed between the base sheet and the free rear area of the second panel.</p><p> An article in which the rigidity of the second panel in the bending guide portion is higher than that in the free rear region of the second panel excluding the bending guide portion is such that the free rear region is surely bent on both sides of the bending guide portion. The free rear area of the two panels easily protrudes upward from the base sheet, and a pocket can be reliably formed between the base sheet and the free rear area of the second panel.</p><p> The first panel extends to the rear waist area of the base sheet and approximately the rear half of the inseam area, and the second panel extends to the front waist area of the base sheet and approximately the front half of the inseam area. Articles whose inner edge of the 1st panel is located below the free posterior region of the 2nd panel and extends into the pocket were excreted in the anterior half of the inseam region with the pocket formed in the approximately front half of the inseam region. Urine is absorbed and held in the second panel, and stool excreted in the rear half of the inseam area is absorbed and held in the first panel and stored in a pocket that opens in the inseam area. Since the free posterior region of the second panel is located between the wearer's genitals and anus, this article can reliably separate urine and stool, and the wearer due to the mixture of urine and stool. You can surely prevent the dirt on your skin. This article can prevent urine and stool from mixing in the pocket because it can absorb and hold urine and stool in the pocket even if urine penetrates the second panel and leaks into the pocket. Can be done.</p><p> The first panel is formed of a liquid-permeable first sheet and a liquid-absorbing first core located below the first sheet, and the second panel is covered with the liquid-permeable second sheet and the second sheet. In the article formed from the liquid second core, urine is absorbed and held in the second core, and stool is absorbed and held in the first core, so that urine and stool may leak from the first and second panels. Absent.</p>
The details of the disposable wear article according to the present invention will be described with reference to the accompanying drawings.
1 and 2 are a perspective view of the disposable wear article 20A shown as an example, and a partially cutaway plan view of the article 20A of FIG. 1 shown from the side of the first and second panels 23 and 24, and FIGS. , 3-3 line cross-sectional view of Fig. 1 and 4-4 line cross-sectional view of Fig. 1. In FIGS. 1 and 2, the horizontal direction is indicated by an arrow L, the vertical direction is indicated by an arrow M, and the thickness direction is indicated by an arrow N (only in FIG. 1). FIG. 2 shows the article 20A in a state of being unfolded in the vertical and horizontal directions against the contraction force of the elastic members 33 and 37. The inner surfaces of the base sheet 21, the leak-proof sheet 22, the liquid-permeable sheet 40,51,52, and the liquid-impermeable sheet 41 refer to the surfaces facing the cores 42,54, and these sheets 21,22,40. The outer surface of, 41,51,52 means a surface that is not opposed to the cores 42,54.
Article 20A is an impermeable base sheet 21, a pair of impermeable and leak-proof sheets 22 arranged inside the base sheet 21 and extending in the vertical direction, and an impermeable base sheet 22 arranged inside the base sheet 21 in the vertical direction. It is composed of a body fluid-absorbing first panel 23 and a body fluid-absorbing second panel 24 that are lined up.
The base sheet 21 is formed of a composite non-woven fabric obtained by laminating two hydrophobic fiber non-woven fabrics 25 and 26. The facing surfaces of the non-woven fabrics 25 and 26 are fixed to each other. The base sheet 21 has a front waist circumference area 27 and a rear waist circumference area 29 in the vertical direction, and an inseam area 28 located between the waist circumference areas 27 and 29. The base sheet 21 has front and rear end portions 30, 31 which are located in the front and rear waist circumference areas 27 and 29 and extend laterally, and both side portions 32 which extend vertically between the front and rear waist circumference areas 27 and 29. In the inseam area 28, both sides 32 form an arc inward in the lateral direction. The plane shape of the base sheet 21 has an hourglass shape. A plurality of elastic members 33 for leg circumference, which are located on both side portions 32 of the inseam region 28 and extend in the vertical direction, are attached to the base sheet 21 so as to be contractible. The elastic member 33 for the leg circumference is interposed between the non-woven fabrics 25 and 26, and is fixed to the facing surfaces of the non-woven fabrics 25 and 26 in a state of being stretched at a predetermined magnification in the vertical direction.
The leak-proof sheet 22 is arranged on both side portions 32 of the base sheet 21. The leak-proof sheet 22 has a fixed side portion 34 located on both side portions 32 and extending in the vertical direction, and a free portion 35 extending in the vertical direction in parallel with the fixed side portion 34 and having an upright orientation upward of the base sheet 21. And the fixed both ends 36, which are located at the front and rear ends 30 and 31, and are laid down inward in the lateral direction of the base sheet 21. The fixed side portion 34 and the free portion 35 extend between the front and rear ends 30 and 31 of the base sheet 21. The free portion 35 has a top portion 38 to which a vertically extending elastic elastic member 37 is contractably attached, and a central portion 39 extending between the fixed side portion 34 and the top portion 38. The elastic member 37 is fixed to the top portion 38 in a state of being extended at a predetermined magnification in the vertical direction. When the article 20A bends in the vertical direction with the inner surface of the base sheet 21 inside, the elastic member 37 contracts, the top portion 38 contracts in the vertical direction, and the free portion 35 stands above the base sheet 21 to deal with excrement. Form a barrier.
The first panel 23 has a long rectangular shape in the vertical direction, and is located between the leak-proof sheets 22 and is located between the approximately rear half of the inseam area 28 of the base sheet 21 and the approximately first half of the rear waist circumference area 29 excluding the rear end 31. It extends to the minute. The first panel 23 includes a liquid-permeable sheet 40 (liquid-permeable first sheet) located on the skin contact side, an impermeable sheet 41 located on the skin non-contact side, and a liquid-permeable sheet 40. It is formed from a liquid-absorbent core 42 (liquid-absorbent first core) interposed between the impermeable sheet 41 and bonded to the inner surfaces of the sheets 40 and 41. The entire upper surface of the core 42 is coated with the liquid permeable sheet 40, and the entire lower surface of the core 42 is coated with the impermeable sheet 41.
The first panel 23 is located in the rear half of the inseam area 28 of the base sheet 21 and is fixed to the seat 21 in the fixed front area 43, and is located in the front half of the rear waist circumference area 29 of the base sheet 21. It has a fixed rear region 44 fixed to the base sheet 21 and a fixed both side region 45 located on both side portions 32 of the base sheet 21 and fixed to the seat 21. Most of the fixed anterior-posterior regions 43 and 44 are formed by the seats 40 and 41 and the core 42. The fixed bilateral region 45 is formed from sheets 40, 41 that overlap each other. In these areas 43, 44, 45, the outer surface of the impermeable sheet 41 is fixed to the inner surface of the base sheet 21 (nonwoven fabric 25). In the first panel 23, the ends 47,48 of the seats 40, 41 extend vertically outward from both end edges 46 of the core 42, and the side portions of the seats 40, 41 extend laterally outward from both side edges 49 of the core 42. 50,51 are extended. In the first panel 23, the ends 47, 48 of the sheets 40, 41 are fixed so as to overlap each other, and the side portions 50, 51 of the sheets 40, 41 are fixed so as to overlap each other.
The second panel 24 has a long rectangular shape in the vertical direction, and is located between the leak-proof sheets 22 and is located between the front half of the front waist area 27 and the front half of the inseam area 28 excluding the front end 30 of the base sheet 21. It is extended to. The second panel 24 includes a liquid-permeable sheet 52 (liquid-permeable second sheet) located on the skin contact side and a liquid-permeable sheet 53 (liquid-permeable second sheet) located on the skin non-contact side. , It is formed from a liquid-absorbent core 54 (liquid-absorbent second core) interposed between the liquid-permeable sheets 52, 53 and bonded to the inner surface of the sheets 52, 53. The entire upper surface of the core 54 is covered with the liquid permeable sheet 52, and the entire lower surface of the core 54 is covered with the liquid permeable sheet 54.
The second panel 24 is located in the rear half of the front waist area 27 of the base sheet 21 and is fixed to the seat 21, and is located in the front half of the inseam area 28 of the base sheet 21. It has a non-fixed free rear region 56 and a fixed bilateral region 57 (both sides region) located on both side portions 32 of the base sheet 21 and fixed to the seat 21. Most of the fixed front region 55 and the free rear region 56 are formed by the seats 52, 53 and the core 54. The fixed bilateral region 57 is formed from sheets 52, 53 that overlap each other. In the fixed front region 55 and the fixed both side regions 57, the outer surface of the liquid permeable sheet 53 is fixed to the inner surface of the base sheet 21 (nonwoven fabric 25). In the second panel 24, the ends 59,60 of the seats 52, 53 extend vertically outward from both end edges 58 of the core 54, and the side portions of the seats 52, 53 laterally outward from both side edges 61 of the core 54. 62,63 are extended. In the second panel 24, the ends 59 and 60 of the sheets 52 and 53 are fixed so as to overlap each other, and the side portions 62 and 63 of the sheets 52 and 53 are fixed so as to overlap each other. At the inner end portion 64 of the free rear region 56, the ends 59,60 of the seats 52, 53 are bent toward the lower surface of the core 54.
The free rear region 56 of the second panel 24 is formed by a pair of leg portions 65 located on the side of both side portions 32 of the base sheet 21 and a central portion 66 located between the leg portions 65. The legs 65 and the center 66 are formed of seats 52, 53 and core 54. The legs 65 extend upward from the base sheet 21 and form an arc so as to be convex upward from the seat 21. The central portion 66 is arced so as to be convex upward of the leg portion 65. A part of the leg portion 65 is fixed to a central portion 39 located on the side of the top portion 38 of the free portion 35 of the leak-proof sheet 22. At the legs 65, the outer surface of the liquid permeable sheet 52 is fixed to the leak-proof sheet 22 via an adhesive 67. The entire leg portion 65 may be fixed to the central portion 39 of the free portion 35, or the entire free portion 35 including the top portion 38 of the leak-proof sheet 22 may be fixed to the leg portion 65.
The central portion 66 of the free rear region 56 has a maximum height dimension N1 from the lower end 68 of the free portion 35 of the leak-proof sheet 22 to the maximum height dimension N1 from the lower end 68 to the top portion 38 of the free portion 35 of the leak-proof sheet 22. It is larger than N2, and a part of it (the central part in the lateral direction of the central part 66) extends upward from the top part 38 of the free part 35 of the leak-proof sheet 22 and is located above the top part 38 (Fig. 4). reference). The apex 38 extends above the leg 65 of the free rear region 56.
The free rear region 56 of the second panel 24 is lifted above the base sheet 21 by the free portion 35 of the upright leak-proof sheet 22. A pocket 69 is formed between the base sheet 21 and the free rear region 56 of the second panel 24, which opens from the inseam region 28 toward the rear waist circumference region 29. The pocket 69 is formed in the approximately front half of the inseam area 28. Below the free rear region 56 of the second panel 24, the inner end portion 70 of the fixed front region 43 of the first panel 23 is located. The inner end portion 70 extends into the pocket 69.
In the front waist circumference area 27 of the base sheet 21, the fixed end 36 of the leak-proof sheet 22 is fixed to the inner surface of the sheet 21 (nonwoven fabric 25), and the ends 59, 60 of the liquid permeable sheets 52, 53 are the base sheet 21. It is interposed between the (nonwoven fabric 25) and the leak-proof sheet 22 and fixed to the inner and outer surfaces of the sheets 21 and 22. In the rear waist circumference area 29 of the base sheet 21, the fixed end portion 36 of the leak-proof sheet 22 is fixed to the inner surface of the sheet 21 (nonwoven fabric 25), and the end portion 47 between the liquid-permeable sheet 40 and the impermeable sheet 41. , 48 are interposed between the base sheet 21 (nonwoven fabric 25) and the leak-proof sheet 22 and fixed to the inner and outer surfaces of the sheets 21, 22. In both side portions 32 of the base sheet 21, the fixed side portions 34 of the leak-proof sheet 22 are fixed to the inner surface of the sheet 21 (nonwoven fabric 25), and the sides of the liquid permeable sheets 40, 52, 53 and the impermeable sheet 41. The portions 50, 51, 62, 63 are interposed between the base sheet 21 (nonwoven fabric 25) and the leak-proof sheet 22 and are fixed to the inner and outer surfaces of the sheets 21, 22.
A pair of flexible tape fasteners 71 formed of a fibrous non-woven fabric are attached to both side portions 32 of the rear waist circumference region 29. The tape fastener 71 has a fixed end portion 72 extending laterally and a free end portion 73. The fixed end portion 72 is interposed between the non-woven fabrics 25 and 26 and is fixed to the facing surfaces of the non-woven fabrics 25 and 26. A hook member 74 is attached to the inner surface of the free end portion 73. The free end portion 73 is bent inward in the lateral direction and temporarily fixed to the base sheet 21 (nonwoven fabric 25) via the hook member 74 so as to be detachable. The free end portion 73 does not have a hook member 74, and may be coated with a pressure-sensitive adhesive.
A flexible target tape 75 that detachably fastens the free end portion 73 of the tape fastener 71 is attached to the front waist circumference region 27. The target tape 75 has a horizontally long rectangle and is formed of a plastic film and a loop member attached to the film (not shown). The film forming the target tape 75 is fixed to the outer surface of the base sheet 21 (nonwoven fabric 26). When applying the pressure sensitive adhesive to the free end 73 of the tape fastener 71, a plastic film is used for the target tape 75.
To wear article 20A, overlap the both sides 32 of the rear waist area 29 on the outside of both sides 32 of the front waist area 27, and target the free end 73 of the tape fastener 71 via the hook member 74. It stops at 75 and connects the front waist circumference area 27 and the rear waist circumference area 29. In the article 20A in which the front and rear waist circumferences 27 and 29 are connected, a waist circumference opening and a pair of leg circumference openings are formed below the waist circumference opening (not shown). In Article 20A, the urine excreted in the front waist area 27 and the front half of the inseam area 28 during its wearing is absorbed and held by the core 54 of the second panel 24, and the rear half of the inseam area 28 and the rear waist area. The stool excreted in 29 is absorbed and held in the core 42 of the first panel 23, and the stool that has flowed toward the front waist circumference 27 is stored in the pocket 69.
Article 20A is curved so that the free rear area 56 of the second panel 24 is convex upward toward the base sheet 21, and the inseam area 28 to the rear waist circumference area is between the base sheet 21 and the free rear area 24. Since the pocket 69 that opens toward 29 is formed, even if the stool excreted in the inseam area 28 and the rear waist circumference area 29 flows toward the front waist circumference area 27, the stool is stored in the pocket 69. be able to. In Article 20A, urine is absorbed and held in the second panel 24, stool is absorbed and held in the first panel 23, and is stored in the pocket 69, so that urine and stool can be separated, and urine and stool can be separated. It is possible to prevent the wearer's skin from becoming dirty due to the mixture of urine.
In the article 20A, the leg portion 65 of the free rear region 56 of the second panel 24 is fixed to the free portion 35 of the leak-proof sheet 22, and the free rear region 56 is lifted above the base sheet 21 by the free portion 35. , The shape of the free rear region 56 that is convex upward of the seat 21 is held by the free portion 35, and the leg portion 65 extending upward of the seat 21 does not inadvertently fall down, and the free portion 35 is used for the pocket. It can retain 69 forms. Article 20A has pocket 69 that is difficult to close its mouth, and pocket 69 can reliably accommodate stool.
In article 20A, a part of the central part 66 of the free posterior region 56 extends upward from the top part 38 of the free part 35 of the leak-proof sheet 22, and the central part 66 extends to the wearer's genitals and anus while wearing article 20A. The central part 66 forms a barrier that separates the wearer's genitals and anus, so that urine and stool can be reliably separated, and the wearer due to the mixture of urine and stool. You can surely prevent the dirt on your skin.
In the article 20A, since the top portion 38 of the free portion 35 of the leak-proof sheet 22 extends upward from the leg portion 65 of the free rear region 56 of the second panel 24, the upper surface of the second panel 24 (liquid permeable sheet). Even if the urine diffusing (upper surface of 52) flows toward the bilateral region 57, the urine flow is blocked by the apical portion 38, and lateral leakage of urine from the bilateral region 57 can be prevented. In the article 20A, since the central portion 66 of the free rear region 56 located above the apex portion 38 comes into contact with the wearer's skin before the apex portion 38, the apex portion 38 should lie down laterally of the article 20A. No, the apex 38 does not lose its function as a barrier to urine. In article 20A, the free portion 35 of the leak-proof sheet 22 forms a barrier against urine, so that the urine that diffuses the upper surface of the first panel 23 (the upper surface of the liquid-permeable sheet 40) is directed toward both side portions 32 of the base sheet 21. Even if it flows, the flow of urine is blocked by the free portion 35, and lateral leakage of urine from both side portions 32 can be prevented.
In the article 20A, since the inner end portion 70 of the first panel 23 is located below the free rear region 56 of the second panel 24 and extends into the pocket 69, urine penetrates the second panel 24 and pockets 69. Even if it leaks to the pocket 69, urine and stool can be absorbed and held by the core 42 of the first panel 23, and the urine and stool can be prevented from being mixed in the pocket 69. In the article 20A, the first and second panels 23,24 do not overlap in the front-rear waist circumference 27,29, and the panels 23, 24 do not become bulky, so that there is no discomfort with the worn article 20A.
5 and 6 are a perspective view of the worn article 20B shown as another example, and a partially broken plan view of the article 20B of FIG. 5 shown from the side of the first and second panels 23 and 24, and FIGS. Is a cross-sectional view taken along the line 7-7 in FIG. 5 and a cross-sectional view taken along the line 8-8 in FIG. In FIGS. 5 and 6, the horizontal direction is indicated by an arrow L, the vertical direction is indicated by an arrow M, and the thickness direction is indicated by an arrow N (only in FIG. 5). FIG. 6 shows the article 20B in a state of being unfolded in the vertical and horizontal directions against the contraction force of the elastic members 33, 37, 77.
Article 20B includes an impermeable base sheet 21, a pair of impermeable and leak-proof sheets 22 arranged inside the sheet 21 and extending in the vertical direction, and body fluids arranged inside the sheet 21 and arranged in the vertical direction. It is identical to article 20A in FIG. 1 in that it is composed of absorbent first and second panels 23, 24. This article 20B differs from that of FIG. 1 in that a spacer 76 extending laterally is arranged in the pocket 69, a bending guide 81 is formed in the second panel 24, and other configurations. Is the same as the article 20A in FIG. 1, so the same reference numerals as those in the article 20A in FIG. 1 are added, and the description of other configurations is omitted.
In the pocket 69, a spacer 76 having elastic elasticity in the lateral direction is arranged so as to be retractable. The spacer 76 is formed of a water-permeable sheet 78 to which a plurality of elastic elastic members 77 extending in the lateral direction are contractably attached so as to be separated by a predetermined dimension in the vertical direction. The elastic member 77 is fixed to the sheet 78 in a state of being stretched to a predetermined magnification in the lateral direction. The spacer 76 has a fixed end portion 79 fixed near the lower end of the leg portion 65 of the free rear region 56, and a free intermediate portion 80 extending between the fixed end portions 79. The legs 65 of the free rear region 56 are pulled inward in the lateral direction of the base sheet 21 by the contraction force of the spacer 76. In the first panel 23, both side areas 45 are pulled inward in the lateral direction of the base sheet 21 by the contraction force of the spacer 76, and the fixed front area 43 is curved so as to be convex downward in the thickness direction of the article 20B together with the base sheet 21. are doing.
The fixed end portions 79 of the spacer 76 need be fixed to at least one of the leg portion 65 of the free rear region 56 and the side region 57. Further, the fixed both ends 79 may be interposed between the side areas 45 of the first panel 23 and the side areas 57 of the second panel 24, and may be fixed to the side areas 45, 57 of the panels 23, 24. .. A stretchable water-permeable sheet without an elastic member can also be used for the spacer 76. A stretchable and hydrophilic fiber non-woven fabric can be used for the stretchable water-permeable sheet. Further, only a non-stretchable water permeable sheet can be used for the spacer 76. A hydrophilic fiber non-woven fabric can be used for the non-stretchable water permeable sheet. When a non-stretchable permeable sheet is used for the spacer 76, the lateral dimension of the spacer 76 should be smaller than the lateral dimension between the side edges 61 of the core 54 forming the second panel 24. As a result, the legs 65 of the free rear region 56 are pulled inward in the lateral direction of the base sheet 21.
A pair of bending guides 81 extending in the vertical direction are formed between the legs 65 and the central portion 66 in the free rear region 56 of the second panel 24 with a predetermined dimension in the horizontal direction. The bent guide portion 81 is fixed by drawing an arc in the lateral direction of the base sheet 21 so that the distance between the bent guide portions 81 gradually increases from the inner end portion 64 of the free rear region 56 toward the side of the fixed front region 55. It reaches both sides 57 on the side of the front 55. The free rear area 56 of the second panel 24 is bent via the bending guide 81.
The density, basis weight, and thickness of the core 54 in the bent guide portion 81 are smaller than those of the core 54 excluding the guide portion 81. Therefore, the rigidity of the second panel 24 in the bent guide portion 81 is lower than that of the second panel 24 excluding the guide portion 81. In the bent guide portion 81, at least the density and basis weight of the core 54 are made smaller than those of the core 54 excluding the guide portion 81, so that the second panel in the guide portion 81 The rigidity of 24 can be made lower than that of the second panel 24 excluding the guide portion 81. The bending guide portion 81 may be formed of only the liquid permeable sheets 52 and 53 excluding the core 54. The folding guide portion 81 may vertically traverse the free rear region 56 without reaching the both side regions 57 from the inner end portion 64 of the free rear region 56.
The legs 65 of the free rear region 56 extend upward from the base sheet 21 and form an arc so as to be convex upward of the base sheet 21. The central portion 66 of the free rear region 56 is arced so as to be convex upward of the leg portion 65. A part of the leg portion 65 is fixed to a central portion 39 located on the side of the top portion 38 of the free portion 35 of the leak-proof sheet 22 in the vicinity of the bending guide portion 81. At the legs 65, the outer surface of the liquid permeable sheet 52 is fixed to the leak-proof sheet 22 via an adhesive 67.
The central portion 66 of the free rear region 56 has a maximum height dimension N1 from the lower end 68 of the free portion 35 of the leak-proof sheet 22 to the maximum height dimension N1 from the lower end 68 to the top portion 38 of the free portion 35 of the leak-proof sheet 22. It is larger than N2, and a part of it (the central part in the lateral direction of the central part 66) extends upward from the top part 38 of the free part 35 of the leak-proof sheet 22 and is located above the top part 38 (Fig. 8). reference). The top 38 extends above the legs 65.
The free rear area 56 of the second panel 24 is bent via the bending guide portion 81, the leg portion 65 is pulled inward in the lateral direction by the spacer 76, and the free portion of the leak-proof sheet 22 is further provided. It is lifted above the base sheet 21 by 35. A pocket 69 is formed between the base sheet 21 and the free rear region 56 of the second panel 24, which opens from the inseam region 28 toward the rear waist circumference region 29. The pocket 69 is formed in the approximately front half of the inseam area 28. Below the free rear region 56, the inner end portion 70 of the fixed front region 43 of the first panel 23 is located. The inner end portion 70 extends into the pocket 69.
Since the procedure for wearing the article 20B is the same as that in FIG. 1, the description thereof will be omitted. In Article 20B, the urine excreted in the front waist area 27 and the front half of the inseam area 28 during its wearing is absorbed and held by the core 54 of the second panel 24, and the rear half of the inseam area 28 and the rear waist area. The stool excreted in 29 is absorbed and held in the core 42 of the first panel 23, and the stool that has flowed toward the front waist circumference 27 is stored in the pocket 69.
Article 20B has a pocket 69 formed between the base sheet 21 and the free rear area 56 of the second panel 24, which opens from the inseam area 28 toward the rear waist circumference area 29, so that the inseam area 28 and the rear body are formed. Even if the stool excreted in the circumference area 29 flows toward the front waist circumference area 27, the stool can be stored in the pocket 69. In article 20B, urine is absorbed and held in the second panel 24, stool is absorbed and held in the first panel 23, and is stored in the pocket 69, so that urine and stool can be separated, and urine and stool can be separated. It is possible to prevent the wearer's skin from becoming dirty due to the mixture of urine. The article 20B is arced so that the fixed front area 43 of the first panel 23 is convex downward in the thickness direction of the article 20B together with the base sheet 21, so that the stool in the pocket 69 is compared with the article 20A in FIG. It has a large storage volume and can store a large amount of excreted stool in the pocket 69.
In the article 20B, since the free rear area 56 of the second panel 24 is lifted above the base sheet 21 by the free portion 35 of the leak-proof sheet 22, the form of the free rear area 56 that is convex upward of the sheet 21 is formed. The leg 65, which is held by the free portion 35 and extends upward of the seat 21, does not inadvertently fall down, and the free portion 35 can be used to hold the shape of the pocket 69. Article 20B has pocket 69 that is difficult to close its mouth, and pocket 69 can reliably accommodate stool.
In the article 20B, a spacer 76 having elastic elasticity in the lateral direction is arranged so as to be retractable in the pocket 69, and the leg portions 65 of the free rear region 56 are laterally inward of the base sheet 21 due to the contraction force of the spacer 76. Since it is attracted to, the shape of the free rear portion 56 which is convex upward of the seat 21 is held by the spacer 76, and the leg portion 65 extending upward of the seat 21 does not inadvertently fall down, and the spacer 76 contracts. The shape of the pocket 69 can be reliably held by using the force. Even if the wearer's body pressure is applied to the article 20B in the thickness direction and the fixed front area 43 of the first panel 23 and the free rear area 56 of the second panel 24 are crushed, the spacer 76 is released when the body pressure is released. Because the fixed front area 43 becomes convex downward in the thickness direction of the article 20B and the free rear area 56 becomes convex upward in the base sheet 21 due to the elastic force of the free rear area 56, a pocket is formed again between the sheet 21 and the free rear area 56. 69 is formed.
In the article 20B, the leg portion 65 of the free rear region 56 of the second panel 24 is fixed to the free portion 35 of the leak-proof sheet 22 in the vicinity of the bending guide portion 81, and the free portion 35 uses the free rear region 56 of the base sheet 21 as the base sheet 21. Since the free rear area 56 is bent at the bending guide portion 81 as it is lifted upward, the free rear area 56 is surely bent at the guide portion 81. In the article 20B, the free rear region 56 of the second panel 24 is bent via the bending guide portion 81, so that the free rear region 56 is located between the legs 65 and the guide portion 81 located on both sides of the guide portion 81. Clearly partitioned from the central portion 66, the legs 65 easily stand above the base seat 21, the free rear region 56 easily protrudes above the seat 21, and between the seat 21 and the free rear region 56. The pocket 69 can be reliably formed.
In article 20B, a part of the central part 66 of the free posterior region 56 extends upward from the top part 38 of the free part 35 of the leak-proof sheet 22, and the central part 66 extends to the wearer's genitals and anus while wearing article 20B. The central part 66 forms a barrier that separates the wearer's genitals and anus, so that urine and stool can be reliably separated, and the wearer due to the mixture of urine and stool. You can surely prevent the dirt on your skin.
In the article 20B, since the top portion 38 of the free portion 35 of the leak-proof sheet 22 extends upward from the leg portion 65 of the free rear region 56 of the second panel 24, the upper surface of the second panel 24 (liquid permeable sheet). Even if the urine diffusing (upper surface of 52) flows toward the bilateral region 57, the urine flow is blocked by the apical portion 38, and lateral leakage of urine from the bilateral region 57 can be prevented. In the article 20B, since the central portion 66 of the free rear region 56 located above the apex portion 38 comes into contact with the wearer's skin before the apex portion 38, the apex portion 38 should lie down laterally of the article 20B. No, the apex 38 does not lose its function as a barrier to urine. In article 20B, the free portion 35 of the leak-proof sheet 22 forms a barrier against urine, so that urine diffusing the upper surface of the first panel 23 (the upper surface of the liquid permeable sheet 40) is directed toward both side portions 32 of the base sheet 21. Even if it flows, the flow of urine is blocked by the free portion 35, and lateral leakage of urine from both side portions 32 can be prevented.
In the article 20B, since the inner end portion 70 of the first panel 23 is located below the free rear region 56 of the second panel 24 and extends into the pocket 69, urine penetrates the second panel 24 and pockets 69. Even if it leaks to the pocket 69, urine and stool can be absorbed and held by the core 42 of the first panel 23, and the urine and stool can be prevented from being mixed in the pocket 69. In the article 20B, the first and second panels 23 and 24 do not overlap in the front and rear waist circumference 27,29, and the panels 23 and 24 do not become bulky, so that there is no discomfort with the worn article 20B.
In article 20B, the contracted lateral dimension of the spacer 76 is in the range of 20-93% of the lateral dimension L1 between the side edges 61 of the core 54 forming the second panel 24. The lateral dimension of the spacer 76 when contracted is preferably in the range of 50 to 80% with respect to the lateral dimension L1.
In Article 20B, the lateral elongation stress of the spacer 76 including the elastic member 77 at 100 to 250% elongation is in the range of 0.5 to 1.5 N. If the elongation stress of the spacer 76 is less than 0.5 N, the contraction force of the spacer 76 cannot sufficiently pull the leg 65 of the free rear region 56 inward in the lateral direction of the base sheet 21, and the extension stress of the spacer 76 is slightly in the thickness direction of the article 20B. The free rear region 56 may be easily crushed and the pocket 69 may close its mouth just by applying a large amount of body pressure. When the elongation stress of the spacer 76 exceeds 1.5 N, the inseam area 28 contracts inward in the lateral direction due to the contraction force of the spacer 76, and the base sheet 21 and the first panel 23 are fixed in the front area 43 and the second panel 24. A large number of irregular gathers were formed in the free posterior region 56 of the body, which not only failed to retain the morphology of the pocket 69, but also reduced the fluid absorption function of the first and second panels 23 and 24 in the inseam region 28. , Inseam area 28 cannot absorb urine and stool sufficiently. Since the extension stress of the spacer 76 is in the above range, the article 20B can reliably hold the shape of the pocket 69, and the body fluid absorption functions of the first and second panels 23 and 24 in the inseam region 28 are reduced. There is no. The elongation stress of the spacer 76 was measured by the following method. (1) The spacer 76 (including the elastic member 77) was separated from the article 20B, and the spacer 76 was cut to prepare a sample for elongation stress measurement having a vertical dimension of 30 mm and a horizontal dimension of 100 mm. A tensile tester manufactured by Shimadzu Corporation was used for the tensile stress measurement. (2) Both ends of the sample in the lateral direction shrunk due to the contraction of the elastic member 77 are sandwiched between the chucks of the tensile tester (the sample pinching size by the chuck: about 35 mm, the inter-chuck size: The sample was pulled laterally at a speed of about 30 mm) and 100 mm / min, the sample was stretched to 260%, and then the stretched state was released. Again, pull the sample laterally at a speed of 100 mm / min through the tester, stretch the sample in the range of 100-250%, measure the force applied to the tester at that time, and measure the measured value with the spacer 76. The lateral elongation stress of. The lateral elongation stress of the measured sample at 100 to 250% elongation was 0.5 to 1.5 N. Here, extending the sample to 200% means, for example, when the horizontal dimension of the sample is 30 mm, it is extended to 60 mm, which is a value obtained by multiplying 30 mm by 2.0.
In Article 20B, the lateral rigidity value of the free rear region 56 (including the core 54) of the second panel 24 including the bending guide 81 is in the range of 0.5 to 1.5 mN, and the bending guide 81 is excluded. The rigidity value of the free rear region 56 (including the core 54) of the 2 panel 24 is in the range of 1.0 to 2.0 mN. When the rigidity value of the free rear region 56 including the folding guide portion 81 exceeds 1.5 mN, the free rear region 56 is difficult to bend at the bending guide portion 81, and the leg portion 65 is difficult to stand above the base sheet 21. When the rigidity value of the free rear region 56 excluding the folding guide portion 81 is less than 1.0 mN, the free rear region 56 contracts inward in the lateral direction of the base sheet 21 due to the contraction force of the spacer 76, and the shape of the pocket 69 is changed. Can't hold. When the rigidity value of the free rear region 56 excluding the folding guide 81 exceeds 2.0 mN, the flexibility of the second panel 24 decreases, and the second panel 24 that comes into contact with the wearer's skin causes an unpleasant stimulus to the wearer. May be given. In addition, those rigidity values of the free rear region 56 of the second panel 24 are the Gale method (JIS L). Measured according to 1096-01-8.20.1). The measuring method is as follows. (1) The second panel 24 was separated from the article 20B, and the second panel 24 was cut to prepare a sample for measuring the rigidity value having a vertical dimension of 25 mm and a horizontal dimension of 30 mm. As samples, a first sample (including the core 54) including the bending guide 81 and a second sample (including the core 54) excluding the bending guide 81 were prepared. A Gale flexibility tester was used to measure the flexural rigidity. (2) Hold one end of the first sample in the vertical direction between the chucks of the testing machine, and hang the other end of the first sample in the vertical direction on the pendulum of the testing machine to assist so that the scale of the testing machine is between 3 and 6. I attached the weight. The tester was switched on, the scale at the moment when the rotating rod of the pendulum was separated from the first sample was read, and the first rigidity value was measured. Next, the other end in the vertical direction of the first sample is sandwiched between the chucks of the testing machine, and the one end in the vertical direction of the first sample is hung on the pendulum of the testing machine to assist the scale of the testing machine to be between 3 and 6. I attached the weight. Next, the tester was switched on, the scale at the moment when the rotating rod of the pendulum was separated from the first sample was read, and the second rigidity value was measured. The average of the measured first and second rigidity values was taken as the bending rigidity value of the first sample, and the bending rigidity value of the first sample was taken as the rigidity value of the free rear region 56 including the bending guide portion 81. The flexural rigidity value of the first sample is 0.5 to 1. It was 5 mN. (3) Hold one end of the second sample in the vertical direction between the chucks of the testing machine, and hang the other end of the second sample in the vertical direction on the pendulum of the testing machine to assist so that the scale of the testing machine is between 3 and 6. I attached the weight. The tester was switched on, the scale at the moment when the rotating rod of the pendulum was separated from the second sample was read, and the third rigidity value was measured. Next, the other end in the vertical direction of the second sample is sandwiched between the chucks of the testing machine, and the one end in the vertical direction of the second sample is hung on the pendulum of the testing machine to assist the scale of the testing machine to be between 3 and 6. I attached the weight. Next, the tester was switched on, the scale at the moment when the rotating rod of the pendulum was separated from the second sample was read, and the fourth rigidity value was measured. The average of the measured third and fourth rigidity values was taken as the bending rigidity value of the second sample, and the bending rigidity value of the second sample was taken as the rigidity value of the free rear region 56 excluding the bending guide portion 81. The flexural rigidity value of the second sample was 1.0 to 2.0 mN.
9 and 10 are a perspective view of the worn article 20C shown as another example, and a partially fractured plan view of the article 20C of FIG. 9 shown from the side of the first and second panels 23 and 24, and FIGS. Is a cross-sectional view taken along the line 11-11 in FIG. 9 and a cross-sectional view taken along the line 12-12 in FIG. In FIGS. 9 and 10, the horizontal direction is indicated by an arrow L, the vertical direction is indicated by an arrow M, and the thickness direction is indicated by an arrow N (only in FIG. 9). FIG. 10 shows the article 20C in a state of being unfolded in the vertical and horizontal directions against the contraction force of the elastic members 33, 37, 77.
Article 20C is a liquid-impermeable base sheet 21, a pair of impermeable and leak-proof sheets 22 arranged inside the sheet 21 and extending in the vertical direction, and body fluids arranged inside the sheet 21 and arranged in the vertical direction. It is identical to article 20A in FIG. 1 in that it is composed of absorbent first and second panels 23, 24. This article 20C differs from that of FIG. 1 in that a spacer 76 extending laterally is arranged in the pocket 69, and bending guides 81 and 82 are formed in the first and second panels. At the inner end portion 64 of the rear region 56, the leg portion 65 and the central portion 66 are bent upward toward the second panel 23, and the other configurations are the same as those of the article 20A in FIG. The same symbols as those of the article 20A in FIG. 1 are attached, and the description of other configurations is omitted.
In the pocket 69, a spacer 76 having elastic elasticity in the lateral direction is arranged so as to be retractable. The spacer 76 is formed of a water-permeable sheet 78 to which a plurality of elastic elastic members 77 extending in the lateral direction are contractably attached so as to be separated by a predetermined dimension in the vertical direction. The elastic member 77 is fixed to the sheet 78 in a state of being stretched to a predetermined magnification in the lateral direction. The spacer 76 has a fixed end portion 79 fixed near the lower end of the leg portion 65 of the free rear region 56, and a free intermediate portion 80 extending between the fixed end portions 79. The legs 65 of the free rear region 56 are pulled inward in the lateral direction of the base sheet 21 by the contraction force of the spacer 76.
In the fixed front area 43 of the first panel 23, a pair of bending guide portions 82 extending in the vertical direction separated by a predetermined dimension in the horizontal direction are formed. The folding guides 82 are fixed by drawing an arc in the lateral direction of the base sheet 21 so that the distance from each other gradually increases from the inner end portion 70 of the fixed front region 43 toward the side of the fixed rear region 44. On the side of the rear region 44, it reaches the bilateral region 45. In the first panel 23, both side areas 45 are pulled laterally inward of the base sheet 21 by the contraction force of the spacer 76, the fixed front area 43 is bent via the bending guide 82, and the fixed front area 43 is the seat 21. At the same time, an arc is drawn so as to be convex downward in the thickness direction of the article 20C.
A pair of bending guides 81 extending in the vertical direction are formed between the legs 65 and the central portion 66 in the free rear region 56 of the second panel 24 with a predetermined dimension in the horizontal direction. The bent guide portion 81 is fixed by drawing an arc in the lateral direction of the base sheet 21 so that the distance between the bent guide portions 81 gradually increases from the inner end portion 64 of the free rear region 56 toward the side of the fixed front region 55. It reaches both sides 57 on the side of the front 55. The free rear area 56 of the second panel 24 is bent via the bending guide 81.
The density, basis weight, and thickness of the cores 42, 54 in the bent guides 81, 82 are smaller than those of the cores 42, 54 excluding the guides 81, 82. Therefore, the rigidity of the first and second panels 23,24 in those bent guides 81,82 is lower than that of the first and second panels 23,24 excluding the guides 81,82. In those bent guides 81,82, at least the density and basis weight of the cores 42,54 should be smaller than those of the cores 42,54 excluding the guides 81,82. Therefore, the rigidity of the first and second panels 23,24 in the guide portions 81, 82 can be made lower than that of the first and second panels 23, 24 excluding the guide portions 81, 82.
The bending guide portion 82 may be formed only of the liquid permeable sheet 40 and the impermeable sheet 41 excluding the core 42. The folding guide portion 81 may be formed only of the liquid permeable sheets 52 and 53 excluding the core 54. The folding guide 82 may vertically traverse the first panel 23 without reaching both sides 45. The folding guide portion 81 may vertically traverse the free rear region 56 without reaching the bilateral regions 57.
The legs 65 of the free rear region 56 extend upward from the base sheet 21 and form an arc so as to be convex upward of the base sheet 21. The central portion 66 of the free rear region 56 is arced so as to be convex upward of the leg portion 65. The leg portion 65 and the central portion 66 are bent upward in the second panel 24 at the inner end portion 64 of the free rear region 56. A part of the bent leg portion 65 is fixed to a central portion 39 located on the side of the top portion 38 of the free portion 35 of the leak-proof sheet 22 in the vicinity of the bent guide portion 81. At the legs 65, the outer surface of the liquid permeable sheet 52 is fixed to the leak-proof sheet 22 via an adhesive 67.
The central portion 66 of the free rear region 56 has a maximum height dimension N1 from the lower end 68 of the free portion 35 of the leak-proof sheet 22 to the maximum height dimension N1 from the lower end 68 of the free portion 35 of the leak-proof sheet 22 to the top portion 39. Larger than N2. The bent central portion 66 extends upward from the top portion 38 of the free portion 35 of the leak-proof sheet 22 and is located above the top portion 38. The top 38 extends above the legs 65.
The free rear area 56 of the second panel 24 is bent via the bending guide portion 81, the leg portion 65 is pulled inward in the lateral direction by the spacer 76, and the free portion of the leak-proof sheet 22 is further provided. It is lifted above the seat 21 by 35. A pocket 69 is formed between the base sheet 21 and the free rear region 56 of the second panel 24, which opens from the inseam region 28 toward the rear waist circumference region 29. The pocket 69 is formed in the approximately front half of the inseam area 28. The inner end portion 70 of the first panel 23 is located below the free rear region 56 of the second panel 24 and extends into the pocket 69, and together with the base sheet 21, protrudes downward in the thickness direction of the article 20C to form the pocket 69. Is forming.
Since the procedure for wearing the article 20C is the same as that in FIG. 1, the description thereof will be omitted. In Article 20C, the urine excreted in the front waist area 27 and the front half of the inseam area 28 during its wearing is absorbed and held by the core 54 of the second panel 24, and the rear half of the inseam area 28 and the rear waist area. The stool excreted in 29 is absorbed and held in the core 42 of the first panel 23, and the stool that has flowed toward the front waist circumference 27 is stored in the pocket 69.
Article 20C has a pocket 69 formed between the base sheet 21 and the free rear area 56 of the second panel 24, which opens from the inseam area 28 toward the rear waist circumference area 29, so that the inseam area 28 and the rear body are formed. Even if the stool excreted in the circumference area 29 flows toward the front waist circumference area 27, the stool can be stored in the pocket 69. In Article 20C, urine is absorbed and held in the second panel 24, stool is absorbed and held in the first panel 23, and is stored in the pocket 69, so that urine and stool can be separated, and urine and stool can be separated. It is possible to prevent the wearer's skin from becoming dirty due to the mixture of urine. The article 20C is arced so that the fixed front area 43 of the first panel 23 is convex downward in the thickness direction of the article 20C together with the base sheet 21, so that the stool in the pocket 69 is compared with the article 20A in FIG. It has a large storage volume and can store a large amount of excreted stool in the pocket 69.
In the article 20C, since the free rear area 56 of the second panel 24 is lifted above the base sheet 21 by the free portion 35 of the leak-proof sheet 21, the form of the free rear area 56 that is convex upward of the sheet 21 is formed. The leg 65, which is held by the free portion 35 and extends upward of the seat 21, does not inadvertently fall down, and the free portion 35 can be used to hold the shape of the pocket 69. The article 20C has a pocket 69 that is difficult to close its mouth, and the pocket 69 can reliably accommodate stool.
In the article 20C, a spacer 76 having elastic elasticity in the lateral direction is arranged to be retractable in the pocket 69, and the contraction force of the spacer 76 causes the legs 65 of the free rear region 56 of the second panel 24 to be placed on the base sheet 21. Since the seat 21 is pulled inward in the lateral direction, the shape of the free rear portion 56 which is convex upward of the seat 21 is held by the spacer 76, and the leg portion 65 extending upward of the seat 21 does not inadvertently fall down. , The shape of the pocket 69 can be reliably maintained by utilizing the contraction force of the spacer 76. Even if the wearer's body pressure is applied to the article 20C in the thickness direction and the fixed front area 43 of the first panel 23 and the free rear area 56 of the second panel 24 are crushed, the spacer 76 is released when the body pressure is released. Because the fixed front area 43 becomes convex downward in the thickness direction of the article 20C and the free rear area 56 becomes convex upward in the base sheet 21 due to the elastic force of, the pocket is again between the sheet 21 and the free rear area 56. 69 is formed.
In the article 20C, the leg portion 65 of the free rear region 56 of the second panel 24 is fixed to the free portion 35 of the leak-proof sheet 22 in the vicinity of the bending guide portion 81, and the free portion 35 uses the free rear region 56 of the base sheet 21 as the base sheet 21. Since the free rear area 56 is bent at the bending guide portion 81 as it is lifted upward, the free rear area 56 is surely bent at the guide portion 81. In the article 20C, the free rear region 56 of the second panel 24 is bent via the bending guide portion 81, so that the free rear region 56 is located between the legs 65 and the guide portion 81 located on both sides of the guide portion 81. The leg 65 is easily raised above the base seat 21, the free rear area 56 is easily convex above the seat 21, and the seat 21 and the second panel 24 are free. A pocket 69 can be reliably formed between the region 56 and the region 56.
In the article 20C, the central portion 66 is bent upward of the second panel 24 at the inner end portion 64 of the free rear region 56, and the central portion 66 at the inner end portion 64 is from the top portion 38 of the free portion 35 of the leakproof sheet 22. Since it extends upward, the central part 66 bent while wearing the article 20C is firmly attached between the wearer's genitals and the anus, and the central part 66 is a barrier separating the wearer's genitals and the anus. To form. In Article 20C, the central part 66 is in close contact with the wearer's genitals and anus, so that urine and stool can be reliably separated, and the mixture of urine and stool causes the wearer's skin. Dirt can be reliably prevented.
In the article 20C, since the top portion 38 of the free portion 35 of the leak-proof sheet 22 extends upward from the leg portion 65 of the free rear region 56 of the second panel 24, the upper surface of the second panel 24 (liquid permeable sheet). Even if the urine diffusing (upper surface of 52) flows toward the bilateral region 57, the urine flow is blocked by the apical portion 38, and lateral leakage of urine from the bilateral region 57 can be prevented. In the article 20C, since the central portion 66 of the free rear region 56 located above the apex portion 38 comes into contact with the wearer's skin before the apex portion 38, the apex portion 38 should lie down laterally of the article 20C. No, the apex 38 does not lose its function as a barrier to urine. In Article 20C, the free portion 35 of the leak-proof sheet 22 forms a barrier against urine, so that the urine that diffuses the upper surface of the first panel 23 (the upper surface of the liquid-permeable sheet 40) is directed toward both side portions 32 of the base sheet 21. Even if it flows, the flow of urine is blocked by the free portion 35, and lateral leakage of urine from both side portions 32 can be prevented.
In the article 20C, since the inner end portion 70 of the first panel 23 is located below the free rear region 56 of the second panel 24 and extends into the pocket 69, urine penetrates the second panel 24 and pockets 69. Even if it leaks to the pocket 69, urine and stool can be absorbed and held by the core 42 of the first panel 23, and the urine and stool can be prevented from being mixed in the pocket 69. In the article 20C, the first and second panels 23 and 24 do not overlap in the front and rear waist circumference 27,29, and the panels 23 and 24 do not become bulky, so that there is no discomfort with the worn article 20C.
In article 20C, the lateral dimension of the spacer 76 when contracted is in the range of 20-93% of the lateral dimension L1 between the side edges 61 of the core 54 forming the second panel 24. The lateral dimension of the spacer 76 when contracted is preferably in the range of 50 to 80% with respect to the lateral dimension L1.
In Article 20C, the lateral elongation stress of the spacer 76 including the elastic member 77 at 100 to 250% elongation is in the range of 0.5 to 1.5 N. If the elongation stress of the spacer 76 is less than 0.5 N, the contraction force of the spacer 76 cannot sufficiently pull the leg 65 of the free rear region 56 inward in the lateral direction of the base sheet 21, and the extension stress of the spacer 76 is slightly in the thickness direction of the article 20C. The free rear region 56 may be easily crushed and the pocket 69 may close its mouth just by applying a large amount of body pressure. When the elongation stress of the spacer 76 exceeds 1.5 N, the inseam area 28 contracts inward in the lateral direction due to the contraction force of the spacer 76, and the base sheet 21 and the first panel 23 are fixed in the front area 43 and the second panel 24. A large number of irregular gathers were formed in the free posterior region 56 of the body, which not only failed to retain the morphology of the pocket 69, but also reduced the fluid absorption function of the first and second panels 23 and 24 in the inseam region 28. , Inseam area 28 cannot absorb urine and stool sufficiently. Since the extension stress of the spacer 76 is in the above range, the article 20C can reliably hold the shape of the pocket 69 formed between the base sheet 21 and the free rear region 56 of the second panel 24, and the inseam. The fluid absorption function of the first and second panels 23 and 24 in region 28 is not reduced. The method for measuring the elongation stress of the spacer 76 is the same as that in FIG.
In Article 20C, the lateral rigidity value of the free rear region 56 (including the core 54) of the second panel 24 including the bending guide 81 is in the range of 0.5 to 1.5 mN, and the bending guide 81 is excluded. The rigidity value of the free rear region 56 (including the core 54) of the 2 panel 24 is in the range of 1.0 to 2.0 mN. When the rigidity value of the free rear region 56 including the folding guide portion 81 exceeds 1.5 mN, the free rear region 56 is difficult to bend at the bending guide portion 81, and the leg portion 65 is difficult to stand above the base sheet 21. When the rigidity value of the free rear region 56 excluding the folding guide portion 81 is less than 1.0 mN, the free rear region 56 contracts inward in the lateral direction of the base sheet 21 due to the contraction force of the spacer 76, and the shape of the pocket 69 is changed. Can't hold. When the rigidity value of the free rear region 56 excluding the folding guide 81 exceeds 2.0 mN, the flexibility of the second panel 24 decreases, and the second panel 24 that comes into contact with the wearer's skin causes an unpleasant stimulus to the wearer. May be given. The rigidity values of the free rear region 56 of the second panel 24 were measured in accordance with the Gale method (JIS L 1096-01-8.20.1). The measurement method is the same as that in FIG.
13 and 14 are a perspective view of the worn article 20D shown as another example, and a partially fractured plan view of the article 20D of FIG. 13 shown from the side of the first and second panels 23 and 24, and FIGS. Is a cross-sectional view taken along the line 15-15 in FIG. 13 and a cross-sectional view taken along the line 16-16 in FIG. In FIGS. 13 and 14, the horizontal direction is indicated by an arrow L, the vertical direction is indicated by an arrow M, and the thickness direction is indicated by an arrow N (only in FIG. 13). FIG. 14 shows the article 20D in a state of being unfolded in the vertical and horizontal directions against the contraction force of the elastic members 33, 37, 77.
Article 20D includes a liquid-impermeable base sheet 21, a pair of impermeable and leak-proof sheets 22 arranged inside the sheet 21 and extending in the vertical direction, and body fluids arranged inside the sheet 21 and arranged in the vertical direction. It is identical to article 20A in FIG. 1 in that it is composed of absorbent first and second panels 23, 24. This article 20D differs from that of FIG. 1 in that a spacer 76 extending laterally is arranged in the pocket 69, and bending guides 81, 82 are formed in the first and second panels 23, 24. Point, the thickness dimension of the leg portion 65 and the central portion 66 in the inner end portion 64 of the free rear region 56 is larger than that of the remainder of the free rear region 56 excluding the inner end portion 64, and the other configurations are shown in the figure. Since it is the same as the article 20A of No. 1, the same reference numerals as those of the article 20A of FIG. 1 are added, and the description of other configurations is omitted.
In the pocket 69, a spacer 76 having elastic elasticity in the lateral direction is arranged so as to be retractable. The spacer 76 is formed of a water-permeable sheet 78 to which a plurality of elastic elastic members 77 extending in the lateral direction are contractably attached so as to be separated by a predetermined dimension in the vertical direction. The elastic member 77 is fixed to the sheet 78 in a state of being stretched to a predetermined magnification in the lateral direction. The spacer 76 has a fixed end portion 79 fixed near the lower end of the leg portion 65 of the free rear region 56, and a free intermediate portion 80 extending between the fixed end portions 79. The legs 65 of the free rear region 56 are pulled inward in the lateral direction of the base sheet 21 by the contraction force of the spacer 76.
In the fixed front area 43 of the first panel 23, a pair of bending guide portions 82 extending in the vertical direction separated by a predetermined dimension in the horizontal direction are formed. The folding guides 82 are fixed by drawing an arc in the lateral direction of the base sheet 21 so that the distance from each other gradually increases from the inner end portion 70 of the fixed front region 43 toward the side of the fixed rear region 44. On the side of the rear region 44, it reaches the bilateral region 45. In the first panel 23, both side areas 45 are pulled laterally inward of the base sheet 21 by the contraction force of the spacer 76, the fixed front area 43 is bent via the bending guide 82, and the fixed front area 43 is the seat 21. At the same time, an arc is drawn so as to be convex downward in the thickness direction of the article 20D.
A pair of bending guides 81 extending in the vertical direction are formed between the legs 65 and the central portion 66 in the free rear region 56 of the second panel 24 with a predetermined dimension in the horizontal direction. The bent guide portion 81 is fixed by drawing an arc in the lateral direction of the base sheet 21 so that the distance between the bent guide portions 81 gradually increases from the inner end portion 64 of the free rear region 56 toward the side of the fixed front region 55. It reaches both sides 57 on the side of the front 55. The free rear area 56 of the second panel 24 is bent via the bending guide 81.
The density, basis weight, and thickness of the cores 42, 54 in the bent guides 81, 82 are smaller than those of the cores 42, 54 excluding the guides 81, 82. Therefore, the rigidity of the first and second panels 23,24 in the bent guides 81,82 is lower than that of the first and second panels 23,24 excluding the guides 81,82. The bending guide portions 81 and 82 may be formed only of the liquid permeable sheets 40, 52, 53 and the impermeable sheet 41 excluding the cores 42 and 54. The folding guide 82 may vertically traverse the first panel 23. The folding guide 81 may vertically traverse the free rear region 56.
The legs 65 of the free rear region 56 extend upward from the base seat 21 and form an arc so as to be convex upward of the seat 21. The central portion 66 of the free rear region 56 is arced so as to be convex upward of the leg portion 65. At the inner end portion 64 of the free rear region 56, the thickness dimension of the leg portion 65 and the central portion 66 is larger than that of the remainder of the free rear region 56 excluding the inner end portion 64. A part of the leg portion 65 is fixed to a central portion 39 located on the side of the top portion 38 of the free portion 35 of the leak-proof sheet 22 in the vicinity of the bending guide portion 81. At the legs 65, the outer surface of the liquid permeable sheet 52 is fixed to the leak-proof sheet 22 via an adhesive 67.
The central portion 66 of the free rear region 56 has a maximum height dimension N1 from the lower end 68 of the free portion 35 of the leak-proof sheet 22 to the maximum height dimension N1 from the lower end 68 to the top portion 38 of the free portion 35 of the leak-proof sheet 22. Larger than N2 (see Figure 16). The central portion 66 of the inner end portion 64 extends upward from the top portion 38 of the free portion 35 of the leak-proof sheet 22 and is located above the top portion 38. The top 38 extends above the legs 65.
The free rear area 56 of the second panel 24 is bent via the bending guide portion 81, the leg portion 65 is pulled inward in the lateral direction by the spacer 76, and the free portion of the leak-proof sheet 22 is further provided. It is lifted above the seat 21 by 35. A pocket 69 is formed between the base sheet 21 and the free rear region 56 of the second panel 24, which opens from the inseam region 28 toward the rear waist circumference region 29. The pocket 69 is formed in the approximately front half of the inseam area 28. The inner end portion 70 of the first panel 23 is located below the free rear region 56 of the second panel 24 and extends into the pocket 69, and together with the base sheet 21, protrudes downward in the thickness direction of the article 20D to form the pocket 69. Is forming.
The procedure for wearing the article 20D is the same as that in FIG. 1, so the description thereof will be omitted. In Article 20D, the urine excreted in the front waist area 27 and the front half of the inseam area 28 during its wearing is absorbed and held by the core 54 of the second panel 24, and the rear half of the inseam area 28 and the rear waist area. The stool excreted in 29 is absorbed and held in the core 42 of the first panel 23, and the stool that has flowed toward the front waist circumference 27 is stored in the pocket 69.
Article 20D has a pocket 69 formed between the base sheet 21 and the free rear area 56 of the second panel 24, which opens from the inseam area 28 toward the rear waist circumference area 29, so that the inseam area 28 and the rear body are formed. Even if the stool excreted in the circumference area 29 flows toward the front waist circumference area 27, the stool can be stored in the pocket 69. In Article 20D, urine is absorbed and held in the second panel 24, stool is absorbed and held in the first panel 23, and is stored in the pocket 69, so that urine and stool can be separated, and urine and stool can be separated. It is possible to prevent the wearer's skin from becoming dirty due to the mixture of urine. The article 20D is arced so that the fixed front area 43 of the first panel 23 is convex downward in the thickness direction of the article 20D together with the base sheet 21, so that the stool in the pocket 69 is compared with the article 20A in FIG. It has a large storage volume and can store a large amount of excreted stool in the pocket 69.
In the article 20D, since the free rear region 56 of the second panel 24 is lifted above the base sheet 21 by the free portion 35 of the leak-proof sheet 22, the form of the free rear region 56 that is convex upward of the seat 21 is formed. The leg 65, which is held by the free portion 35 and extends upward of the seat 21, does not inadvertently fall down, and the free portion 35 can be used to hold the shape of the pocket 69. The article 20D has a pocket 69 that is difficult to close its mouth, and the pocket 69 can reliably accommodate stool.
In the article 20D, a spacer 76 having elastic elasticity in the lateral direction is arranged so as to be retractable in the pocket 69, and the contraction force of the spacer 76 causes the legs 65 of the free rear region 56 of the second panel 24 to be placed on the base sheet 21. Since the seat 21 is pulled inward in the lateral direction, the shape of the free rear portion 56 which is convex upward of the seat 21 is held by the spacer 76, and the leg portion 65 extending upward of the seat 21 does not inadvertently fall down. , The shape of the pocket 69 can be reliably held by utilizing the contraction force of the spacer 76. Even if the wearer's body pressure is applied to the article 20D in the thickness direction and the fixed front area 43 of the first panel 23 and the free rear area 56 of the second panel 24 are crushed, the spacer 76 is released when the body pressure is released. Due to the elastic force of, the fixed front area 43 becomes convex downward in the thickness direction of the article 20D, and the free rear area 56 becomes convex upward of the base sheet 21, so that the pocket is again between the seat 21 and the free rear area 56. 69 is formed.
In the article 20D, the leg portion 65 of the free rear region 56 of the second panel 24 is fixed to the free portion 35 of the leak-proof sheet 22 in the vicinity of the bending guide portion 81, and the free portion 35 uses the free rear region 56 of the base sheet 21 as the base sheet 21. Since the free rear area 56 of the second panel 24 is bent at the bending guide portion 81 as it is lifted upward, the free rear area 56 of the second panel 24 is surely bent at the guide portion 81. In the article 20D, the free rear region 56 of the second panel 24 is bent via the bending guide portion 81, so that the free rear region 56 is located between the legs 65 and the guide portion 81 located on both sides of the guide portion 81. The leg 65 is easily raised above the base seat 21, the free rear area 56 is easily convex above the seat 21, and the seat 21 and the second panel 24 are free. A pocket 69 can be reliably formed between the region 56 and the region 56.
In the article 20D, the thickness dimension of the central portion 66 at the inner end portion 64 of the free rear region 56 is larger than that of the remainder of the free rear region 56 excluding the inner end portion 64, and the central portion 66 at the inner end portion 64 is leakproof. As it extends upward from the top 38 of the free portion 35 of the seat 22, the central portion 66 is firmly in close contact between the wearer's genitals and anus while wearing the article 20D, and the center at the inner end portion 64. Part 66 forms a barrier separating the wearer's genitals from the anus. In Article 20D, the central part 66 is in close contact with the wearer's genitals and anus, so that urine and stool can be reliably separated, and the mixture of urine and stool causes the wearer's skin. Dirt can be reliably prevented.
In the article 20D, since the top portion 38 of the free portion 35 of the leak-proof sheet 22 extends upward from the leg portion 65 of the free rear region 56 of the second panel 24, the upper surface of the second panel 24 (liquid permeable sheet). Even if the urine diffusing (upper surface of 52) flows toward the bilateral region 57, the urine flow is blocked by the apex 38 of the free portion 35, and lateral leakage of urine from the bilateral region 57 can be prevented. In the article 20D, the central portion 66 of the free rear region 56 located above the apex portion 38 of the leak-proof sheet 22 comes into contact with the wearer's skin before the apex portion 38, so that the apex portion 38 is on the side of the article 20D. It does not lie down in the direction and the apex 38 does not lose its function as a barrier to urine. In Article 20D, the free portion 35 of the leak-proof sheet 22 forms a barrier against urine, so that the urine that diffuses the upper surface of the first panel 23 (the upper surface of the liquid-permeable sheet 40) is directed toward both side portions 32 of the base sheet 21. Even if it flows, the flow of urine is blocked by the free portion 35, and lateral leakage of urine from both side portions 32 can be prevented.
In the article 20D, since the inner end portion 70 of the first panel 23 is located below the free rear region 56 of the second panel 24 and extends into the pocket 69, urine penetrates the second panel 24 and pockets 69. Even if it leaks to the pocket 69, urine and stool can be absorbed and held by the core 42 of the first panel 23, and the urine and stool can be prevented from being mixed in the pocket 69. In the article 20D, the first and second panels 23 and 24 do not overlap in the front and rear waist circumference 27,29, and the panels 23 and 24 do not become bulky, so that there is no discomfort with the worn article 20D.
In article 20D, the contracted lateral dimension of the spacer 76 is in the range of 20-93% of the lateral dimension L1 between the side edges 61 of the core 52 forming the second panel 24. The lateral dimension of the spacer 76 when contracted is preferably in the range of 50 to 80% with respect to the lateral dimension L1.
In Article 20D, the lateral elongation stress of the spacer 76 including the elastic member 77 at 100 to 250% elongation is in the range of 0.5 to 1.5 N. If the elongation stress of the spacer 76 is less than 0.5 N, the contraction force of the spacer 76 cannot sufficiently pull the leg 65 of the free rear region 56 inward in the lateral direction of the base sheet 21, and the extension stress of the spacer 76 is slightly in the thickness direction of the article 20D. The free rear area 56 of the second panel 24 may be easily crushed by a large amount of body pressure, and the pocket 69 may close its mouth. When the elongation stress of the spacer 76 exceeds 1.5 N, the inseam area 28 contracts inward in the lateral direction due to the contraction force of the spacer 76, and the base sheet 21 and the first panel 23 are fixed in the front area 43 and the second panel 24. A large number of irregular gathers were formed in the free posterior region 56 of the body, which not only failed to retain the morphology of the pocket 69, but also reduced the fluid absorption function of the first and second panels 23 and 24 in the inseam region 28. , Inseam area 28 cannot absorb urine and stool sufficiently. Since the extension stress of the spacer 76 is in the above range, the article 20D can reliably hold the shape of the pocket 69 formed between the base sheet 21 and the free rear region 56 of the second panel 24, and the inseam. The fluid absorption function of the first and second panels 23 and 24 in region 28 is not reduced. The method for measuring the elongation stress of the spacer 76 is the same as that in FIG.
In Article 20D, the lateral rigidity value of the free rear region 56 (including the core 54) of the second panel 24 including the bending guide 81 is in the range of 0.5 to 1.5 mN, and the bending guide 81 is excluded. The rigidity value of the free rear region 56 (including the core 54) of the 2 panel 24 is in the range of 1.0 to 2.0 mN. When the rigidity value of the free rear region 56 including the folding guide portion 81 exceeds 1.5 mN, the free rear region 56 is difficult to bend at the bending guide portion 81, and the leg portion 65 is difficult to stand above the base sheet 21. When the rigidity value of the free rear region 56 of the second panel 24 excluding the bending guide 81 is less than 1.0 mN, the free rear region 56 contracts inward in the lateral direction of the base sheet 21 more than necessary due to the contraction force of the spacer 76. Unable to retain the form of pocket 69. When the rigidity value of the free rear region 56 excluding the folding guide 81 exceeds 2.0 mN, the flexibility of the second panel 24 decreases, and the second panel 24 that comes into contact with the wearer's skin causes an unpleasant stimulus to the wearer. May be given. The rigidity values of the free rear region 56 of the second panel 24 were measured in accordance with the Gale method (JIS L 1096-01-8.20.1). The measurement method is the same as that in FIG.
In Articles 20B, 20C, 20D, the rigidity of the first and second panels 23,24 at the bending guides 81,82 is higher than that of the first and second panels 23,24 excluding the bending guides 81,82. You may. An example of increasing the rigidity of the first and second panels 23,24 in the bending guides 81,82 to be higher than that of the first and second panels 23,24 excluding the bending guides 81,82 is a bending guide. The first and second panels 23 and 24 may be compressed in the thickness direction in the portions 81 and 82 to increase the density and basis weight of the cores 42 and 54 in the bending guide portions 81 and 82. In this case, the fixed front region 43 bends on both sides of the bend guide 82, and the free rear region 56 bends on both sides of the bend guide 81.
In Articles 20A, 20B, 20C, 20D, the fixed front area 55 of the second panel 24 is fixed to the front waist area 27 of the base sheet 21, but the fixed front area 55 extends to the entire front waist area 27. At the same time, it may be fixed only to the front end portion 30 of the base sheet 21. In this case, pockets 69 are formed in the approximately rear half of the front waist circumference area 27 and the approximately front half of the inseam area 28 of the base sheet 21.
In Articles 20A, 20B, 20C, 20D, the bilateral regions 57 of the second panel 24 are fixed to the bilateral portions 32 of the base sheet 21, but the bilateral regions 57 extending to at least the inner end portion 64 of the free rear regions 56. It is sufficient that only the base sheet 21 is fixed to both side portions 32, and the entire side area 57 does not have to be fixed to the base sheet 21. In Articles 20A, 20B, 20C, 20D, the first panel 23 may extend over the entire inseam area 28 and the entire rear waist circumference area 29.
In the articles 20A, 20B, 20C, 20D, the articles 20A, 20B, 20C, 20D are divided into the front half and the rear half by the horizontal center line that divides their vertical dimensions into two, and the first half of the articles 20A, 20B, 20C, 20D. When the front half of articles 20A, 20B, 20C, 20D is divided into a central part located near the horizontal center line and an end part located on the opposite side of the central part by a horizontal dividing line that further divides the vertical dimension of the minute. , The free rear region 56 of the second panel 24 may be located within the central portion of the articles 20A, 20B, 20C, 20D.
For the liquid permeable sheets 40, 52, 53, any of a hydrophilic fiber non-woven fabric, a hydrophobic fiber non-woven fabric having a large number of pores, and a plastic film having a large number of fine pores can be used. The leak-proof sheet 22 and the impermeable sheet 41 are composed of a hydrophobic fiber non-woven fabric, a breathable non-woven plastic film, a composite non-woven fabric in which two or more hydrophobic fiber non-woven fabrics are laminated, a hydrophobic fiber non-woven fabric and a breathable non-woven fabric. Any composite sheet laminated with a sex plastic film can be used. The base sheet 21, the leak-proof sheet 22, and the liquid-impermeable sheet 41 are composite non-woven fabrics in which a spunbonded non-woven fabric having high strength and good flexibility is laminated on both sides or one side of a melt-blown non-woven fabric having high water resistance. SM non-woven fabric, SMS non-woven fabric, SMMS non-woven fabric) can also be used.
As the fibrous non-woven fabric, a non-woven fabric produced by each method of spunlace, needle punch, melt blown, thermal bond, spunbond, or chemical bond can be used. As the constituent fibers of the non-woven fabric, polyester-based, polyacrylonitrile-based, polyvinyl chloride-based, polyethylene-based, polypropylene-based, and polystyrene-based fibers can be used. As the constituent fibers, core-sheath type composite fibers, parallel type composite fibers, irregular hollow fibers, microporous fibers, and bonded type composite fibers can also be used.
As the stretchable and hydrophilic fiber non-woven fabric forming the water-permeable sheet, those manufactured by the melt blown or spunbond manufacturing methods can be used. As the constituent fibers of the stretchable fiber non-woven fabric, stretchable fibers obtained by melting and spinning a thermoplastic elastomer resin can be used. The water-permeable sheet is made of crimped fibers made by melting and spinning a thermoplastic synthetic resin of polypropylene, polyethylene, or polyester on at least one side of a hydrophilic and stretchable non-woven fabric made of thermoplastic elastomer resin fibers. It is also possible to use a composite non-woven fabric in which fibrous non-woven fabrics are laminated.
Cores 42,54 are a mixture of particulate or fibrous high-absorbent polymer and fluff pulp, or a mixture of particulate or fibrous high-absorbent polymer, fluff pulp and thermoplastic synthetic resin fibers. It is compressed to a predetermined thickness dimension. Therefore, the rigidity of the cores 42 and 54 is higher than the rigidity of the seat. The cores 42 and 54 are entirely covered with a liquid-permeable sheet (not shown) such as tissue paper or hydrophilic fiber non-woven fabric in order to prevent the cores 42 and 54 from losing their shape.
Sticking of sheets 22,40,41,52,53 to sheet 21, sticking of sheets 40,41,52,53 to each other, joining of cores 42,54 to sheets 40,41,52,53, sheets 22,25,26 Adhesives or heat welding means such as heat seals and sonic seals can be used to fix the elastic members 33, 37, 77 to the sheets 78. As the adhesive, a hot melt type adhesive, an acrylic adhesive, or a rubber adhesive can be used.
The adhesive may be a base sheet 21, a leak-proof sheet 22, a liquid-permeable sheet 40, 52, 53, or a liquid-impermeable sheet 41 in any of spiral, wavy, zigzag, dot-shaped, and striped forms. It is preferable that it is coated with. When the adhesive is applied to the sheets 21,22,40,41,52,53 in those embodiments, the coated area and the adhesive are applied to the sheets 21,22,40,41,52,53. Uncoated areas are formed, the sheets 21,22,40,41,52,53 are intermittently fixed to each other, and the cores 42,54 are intermittently bonded to the sheets 40,41,52,53. At the same time, the elastic members 33, 37 are intermittently fixed to the sheets 22, 25, 26.
<figref num="1">The perspective view of the disposable wear article shown as an example.</figref><figref num="2">Partial fracture plan view of the article of FIG. 1 shown from the side of the panel.</figref><figref num="3">Sectional view taken along the line 3-3 in Fig. 1.</figref><figref num="4">Sectional view taken along line 4-4 in Fig. 1.</figref><figref num="5">A perspective view of a worn article shown as another example.</figref><figref num="6">Partial fracture plan view of the article of FIG. 5 shown from the side of the panel.</figref><figref num="7">Sectional view taken along the line 7-7 in Fig. 5.</figref><figref num="8">Sectional view taken along the line 8-8 in Fig. 5.</figref><figref num="9">A perspective view of a worn article shown as another example.</figref><figref num="10">Partial fracture plan view of the article of FIG. 9 shown from the side of the panel.</figref><figref num="11">11-11 line cross-sectional view of FIG.</figref><figref num="12">Sectional view taken along the line 12-12 in FIG.</figref><figref num="13">A perspective view of a worn article shown as another example.</figref><figref num="14">Partial fracture plan view of the article of FIG. 13 shown from the side of the panel.</figref><figref num="15">FIG. 13 is a cross-sectional view taken along the line 15-15.</figref><figref num="16">Sectional view taken along the line 16-16 in FIG.</figref>
Code description
20A Disposable Wear Goods 20B Disposable Wear Goods 20C Disposable Wear Goods 20D Disposable Wear Goods 21 Base Sheet 22 Impermeable Leakage Sheet 23 Body Fluid Absorbing 1st Panel 24 Body Fluid Absorbing 2nd Panel 27 Front Waist Area 28 Inseam Area 29 Rear waist circumference 30 Front end 31 Rear end 32 Both sides 34 Fixed side 35 Free part 36 Fixed both ends 37 Elastic elastic member 38 Top part 40 Liquid permeable sheet (liquid permeable first sheet) 41 Impermeable Material sheet 42 Liquid-absorbent core (liquid-absorbent first core) 43 Pre-fixation area 44 Post-fixation area 45 Fixed both-side area 52 Liquid-permeable sheet (liquid-permeable second sheet) 53 Liquid-permeable sheet (liquid-permeable second sheet) 2 sheets) 54 Liquid-absorbent core (Liquid-absorbent second core) 55 Fixed front area 56 Free rear area 57 Fixed both sides area (both sides area) 64 Inner end part 65 Leg 66 Central 69 Pocket 70 Inner end 76 Spacer 79 Fixed both ends 80 Free middle 81 Folded guide
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| US8551608B2 | Cited by | United States of America | Applicant |
| JP2010115218A | Cited by | Japan | Examiner |
| JP2010284243A | Cited by | Japan | Examiner |
| JP2010284243A | Cited by | Japan | Search report |
| JP2010012216A | Cited by | Japan | Examiner |
2 priority claims, no other members on record
Priority claims2
| Document | Office | Kind | Date |
|---|---|---|---|
| 2004116749 | Japan | A | |
| JP20040116749 | – | – | – |
14 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Cancellation because of no payment of annual feesLAPS | LAPS | |
| Receipt of annual feesR250 | R250 | |
| Receipt of annual feesR250 | R250 | |
| Receipt of annual feesR250 | R250 | |
| Renewal fee payment (event date is renewal date of database)FPAY | FPAY | |
| Renewal fee payment (event date is renewal date of database)FPAY | FPAY | |
| Renewal fee payment (event date is renewal date of database)FPAY | FPAY | |
| Certificate of patent or registration of utility modelR150 | R150 | |
| First payment of annual fees (during grant procedure)A61 | A61 | |
| Written decision to grant a patent or to grant a registration (utility model)A01 | A01 | |
| Written decision to grant a patent or to grant a registration (utility model)A01 | A01 | |
| Decision of grant or rejection writtenTRDD | TRDD | |
| Written amendmentA521 | A521 | |
| Written request for application examinationA621 | A621 |
Numbers
- Publication
- 2005296326
- Publication, DOCDB
- 2005296326
- Publication, EPODOC
- JP2005296326
- Application
- 116749
- Application, DOCDB
- 2004116749
- Application, EPODOC
- JP20040116749
Titles2
- Japanese
- 使い捨て着用物品
- English
- Disposable items
Classification
- CPC, 2
- A61F13/49466
- A61F13/495
- IPC, 5
- A61F5 44
- A61F13 15
- A61F13 49
- A61F13 494
- A61F13 53