Packaging method for cylindrical item, packaging device and package

The present invention relates to a technique for packaging a tubular body made of a fiber material that is easily crushed, such as a heat insulating cylinder made of an inorganic fiber.

Some heat insulating tubes made of inorganic fibers such as rock wool and glass wool are easily crushed when compressed, and it is necessary to prevent damage such as being crushed during transportation. In particular, since the heat insulating cylinder is attached to the pipe in a form in which the ends are butted against each other, damage to the ends must be avoided. Therefore, as the current packing form of the heat insulating cylinder, corrugated cardboard boxing is used. However, in corrugated cardboard boxing, the packaging cost is high because a corrugated cardboard box that completely accommodates the heat insulating cylinder is required, and the unpacked corrugated cardboard box becomes dust at the construction site, which generates a large amount of dust. There was a problem.

Therefore, a packaging form that replaces corrugated cardboard boxing is desired. Although it is not the packaging of a heat insulating cylinder, as a packaging technique for rod-shaped articles, Japanese Patent Application Laid-Open No. 52-54591 states that a plurality of rod-shaped articles are stacked and aligned on a U-shaped guide, and at both ends of the aligned articles. A method of assembling a cap from cardboard, covering both ends of the article with the cap, and wrapping the article with a shrinkable film is described. Since the method of arranging with a character guide and wrapping both ends or the whole with a shrinkable film or a stretch film is described, it is conceivable to apply these to the packaging of a heat insulating cylinder.

However, the packaging method described in Japanese Patent Application Laid-Open No. 52-54591 has a problem that productivity is not good because the caps at both ends are assembled in a state of being stacked on the U-shaped guide. Further, in the packaging method described in Japanese Patent Publication No. 62-4294, since there is no protective material at both ends of the formed package, there is a risk of damage when the package is handled with the ends up and down. there were.<patcit num="1"><text>Japanese Patent Application Laid-Open No. 52-54591</text></patcit><patcit num="2"><text>Special Publication No. 62-4294</text></patcit>

<p> The present invention has been made in view of the above problems, and a tubular body made of a fiber material that is easily crushed, such as a heat insulating cylinder made of an inorganic fiber, is more productive with less packaging material than a corrugated cardboard box. An object of the present invention is to provide a technique for packaging so as to form a packaging body in a packaging form in which damage to the ends is unlikely to occur.</p>

<p> The invention according to claim 1 of the present application is a step of horizontally placing a protective material for protecting the end faces of a plurality of tubular bodies in a method of packaging a tubular body made of a fiber material that is easily crushed, and a step of horizontally placing the protective material. A step of arranging a plurality of the tubular bodies on top of each other so that the body portions of the tubular bodies are in contact with each other, and for protecting the end faces of the plurality of tubular bodies on the upper end surfaces of the plurality of arranged tubular bodies. In the process of placing the protective material and the protective material arranged on the upper and lower end faces of the plurality of tubular bodies arranged side by side, the protective material is pressed against the end face of the tubular body, and the film-like soft material is formed around the plurality of tubular bodies and the protective material. It is characterized by including a step of winding and packaging a packaging material.</p><p> The invention according to claim 2 is characterized in that a stretch film is used as the film-like flexible packaging material in the invention of claim 1.</p><p> In the invention of claim 3, a heat-shrinkable film is used as the film-like flexible packaging material in the invention of claim 1, and the tubular body and the protective material are wrapped with the heat-shrinkable film, and then the heat-shrinkable material is used. It is characterized in that a step of applying heat to the sex film to shrink it is performed.</p><p> The invention according to claim 4 is a cylinder in which a plurality of the tubular bodies are arranged side by side on the protective material placed horizontally in the invention of any one of claims 1 to 3 described above. It includes a process of supporting the lower part of the shape from the outside with a plurality of support plates provided substantially vertically, and then wrapping a film-like flexible packaging material around the plurality of tubular bodies and the protective material. The flexible packaging material is wound from the outside of the support plate that supports the tubular body, and then the support plate is pulled out from between the flexible packaging material and the tubular body. is there.</p><p> The invention according to claim 5 is characterized in that the tubular body is a heat insulating cylinder made of an inorganic fiber.</p><p> The invention according to claim 6 is for arranging a plurality of tubular bodies made of fiber materials that are easily crushed so that their bodies are in contact with each other, applying protective materials to both end surfaces thereof, and packaging them in a film-like flexible packaging material. A packaging device to be used, which is a rotary table that can rotate around a substantially vertical axis, and a receiving surface that is provided on the rotary table and supports the protective material in a form that partially exposes the peripheral portion of the lower surface thereof. A work alignment cradle equipped with a plurality of support plates provided substantially vertically so as to support the outside of the lower portion of a plurality of tubular bodies arranged vertically on a protective material placed on the receiving surface. An elevating table provided above the rotary table so as to be able to move up and down, and the elevating table rotatably held around the same axis as the rotary axis of the rotary table, and provided with a push surface having a smaller area than the protective material. It is provided with a work push base and a flexible packaging material feeding device that can move up and down by holding a flexible packaging material roll for feeding the flexible packaging material for winding around the plurality of tubular bodies.</p><p> The invention according to claim 7 is a package in which a plurality of heat insulating cylinders made of inorganic fibers are packaged, and the heat insulating cylinders are arranged in a form in which the body is in contact with the heat insulating cylinders, and plate-shaped on both end surfaces of the arranged heat insulating cylinders. The protective material is pressed against the heat insulating cylinder, and the plurality of heat insulating cylinders and the protective material are integrated by wrapping a film-like flexible packaging material around them.</p>

<p> In the invention according to claim 1, since a plurality of tubular bodies are packaged with a film-like flexible packaging material together with protective materials arranged at both ends thereof, packaging can be performed with high productivity, and the packaging material used is the protective material at both ends. Since it is only a flexible packaging material, the amount is smaller than that of corrugated cardboard boxing, and it is possible to reduce the amount of dust generated while reducing costs. Furthermore, in the obtained packaging, a protective material is attached to the end of the tubular body. Therefore, even if the package is placed vertically, the effect that the end portion of the tubular body is not damaged can be obtained.</p><p> In the invention according to claim 2, a stretch film having a large elongation and self-adhesiveness is used for packaging, and the stretch film is wrapped around a tubular body and protective materials arranged above and below the tubular body. Tight packaging can be easily performed according to the shape of the object to be packaged, and the obtained package has an effect that the load is less likely to collapse.</p><p> In the invention according to claim 3, by using a heat-shrinkable film for packaging and shrinking the film, it is possible to tighten the tubular body for packaging, and it is possible to obtain an effect that the load is less likely to collapse.</p><p> In the invention according to claim 4, when a plurality of tubular bodies are arranged vertically, the lower part of the arranged tubular bodies is supported by a plurality of support plates from the outside, so that the tubular bodies are arranged vertically on the protective material. It is unlikely that the body will shift to the outside of the protective material or fall over, which has the effect of facilitating the work of arranging the tubular bodies and wrapping the flexible packaging material around the tubular bodies. Be done.</p><p> In the invention according to claim 5, since the tubular body is a heat insulating cylinder made of an inorganic fiber, the heat insulating cylinder can be wrapped with a flexible packaging material by arranging protective materials on both end surfaces.</p><p> In the invention according to claim 6, a protective material is placed on a work alignment cradle, and a plurality of tubular bodies are restrained by a support plate so as to regulate the vertical arrangement position of the tubular bodies and prevent them from tipping over. By standing upright, placing a protective material on the upper surface of the tubular body, and pressing it with a work pusher from above, the multiple tubular bodies and the protective materials above and below them are restrained, and in that state, the flexible packaging material. The tip of the film-like flexible packaging material drawn out from the feeding device is wrapped around the tubular body and the protective material, and then the rotary table is rotated to rotate the plurality of tubular bodies and the protective material together. By raising or lowering the flexible packaging material feeding device at the same time, the flexible packaging material can be wound spirally around the tubular body and the protective material, and the tubular body and the protective material can be packaged together. By retracting the push base upward, pulling up the packaged tubular body upward, and pulling out the support plate from between the tubular body and the flexible packaging material, a plurality of tubular bodies can be obtained. It is possible to wrap the tubular body with a flexible wrapping material with the protective material arranged on the upper and lower end surfaces, and it is possible to obtain the effect that the tubular body can be wrapped with good workability and a small amount of wrapping material.</p><p> Since the packaging body of the invention according to claim 7 has a configuration in which a plurality of heat insulating cylinders are wrapped only with a protective material and a flexible packaging material arranged at both ends, it is packaged with a small amount of packaging material and can be opened at a construction site. The packing work is easy, the amount of dust generated can be reduced, and both ends of the heat insulating cylinder are protected by protective materials, so even if the package is placed vertically, the end of the heat insulating cylinder that is easily crushed will be damaged. You can get the effect that there is no such thing.</p>

The object of packaging in the present invention is arbitrary as long as it is a tubular body made of a fiber material that is easily crushed when compressed, and the shape is also arbitrary such as a cylindrical shape or a square tubular shape. In the present specification, the tubular body is not limited to a hollow structure, but also includes a solid structure. A typical example of the tubular body is a heat insulating cylinder made of an inorganic fiber such as rock wool or glass wool. Hereinafter, embodiments of the present invention will be described by taking a heat insulating cylinder as an example.

FIG. 1 shows a typical packaging form of the present invention. The package represented by the reference numeral 1 as a whole is a package of four heat insulating cylinders 2 made of inorganic fibers, and the four heat insulating cylinders 2 are arranged so as to be in contact with the body, and the heat insulating cylinders 2 are arranged side by side. A plate-shaped protective material 3 is applied to both end surfaces of the material, and a film-shaped flexible packaging material 4 is wrapped around the four heat insulating cylinders 2 and the protective material 3 to integrate the whole. The protective material 3 used here is for protecting the end faces of the heat insulating cylinders 2, and has a size capable of covering almost the entire end faces of the four heat insulating cylinders 2 and has the strength necessary for protection. Things are used. Further, the protective material 3 is preferably lightweight and can be easily disposed of such as discarded, and specifically, paper corrugated cardboard is preferable. The planar shape of the protective material 3 is a quadrangle in FIG. 1 (c), but it is not limited to this, and the corners of the quadrangle are arcuate to match the shape of the heat insulating cylinder 2, and the whole is circular, polygonal, etc. It is optional. Further, the protective material 3 is not limited to a flat plate shape, and the heat insulating cylinder 2 is placed on the peripheral edge of the flat portion 3a pressed against the end face of the heat insulating cylinder 2 like the protective material 3A used for the package 1A shown in FIG. An upright wall portion 3b may be provided to protect the outer peripheral surface of the end portion of the tablet. Further, the upright wall portion 3b is not limited to the case where it is provided on the entire circumference of the flat portion 3a, and may be provided mainly in a region in contact with the heat insulating cylinder 2. The protective material 3A of this form can be easily formed by bending a plate material such as corrugated cardboard used for the protective material 3A at an appropriate position.

In FIG. 1, as the flexible packaging material 4 for wrapping the heat insulating cylinder 2 together with the protective material 3, various materials can be used as long as the heat insulating cylinder 2 and the protective material 3 can be integrally wrapped. Examples include films, laminated films, and paper. Further, in the drawing, the entire length of the heat insulating cylinder 2 is wrapped by winding the flexible packaging material 4 having a narrow width in a spiral shape so as to partially overlap, but the whole length of the heat insulating cylinder 2 is not limited to this form. May be packaged using a flexible packaging material having a wide width. At both ends of the heat insulating cylinder 2, a part of the flexible packaging material 4 in the width direction is wound so as to extend outward from the protective material 3 (to the side opposite to the heat insulating cylinder 2), whereby the flexible packaging material is wound. A part 4a in the width direction of 4 is wrapped around the outer surface of the protective material 3, and the protective material 3 can be kept fixed to the heat insulating cylinder 2. If necessary, a part 4a of the flexible packaging material may be attached to the protective material 3 by using an appropriate means such as an adhesive tape or an adhesive. When a resin film is used as the flexible packaging material 4, it is preferable to use a stretch film or a heat-shrinkable film. Since the stretch film usually has a large elongation and self-adhesiveness, it can be tightly wrapped according to the shape of the heat insulating cylinder 2 and the protective material 3 by simply wrapping it around the heat insulating cylinder 2 and the protective material 3 with an appropriate tension. Since the heat insulating cylinder 2 and the protective material 3 are tightly wrapped with a stretch film in the obtained package, it is possible to prevent the load from collapsing during transportation for a long period of time. When a heat-shrinkable film is used, the heat-retaining cylinder 2 and the protective material 3 can be tightly wrapped by heat-shrinking after packaging, and the load can be prevented from collapsing during transportation for a long period of time.

In the packaging body 1 having the above configuration, since the heat insulating cylinder 2 is packaged only with the protective material 3 and the flexible packaging material 4 arranged at both ends, it is packaged with a much smaller amount of packaging material than the form of storing it in a cardboard box. It can reduce packaging costs. For transportation and storage, even if the package 1 is placed vertically, the end of the heat insulating cylinder 2 that is easily crushed is protected by the protective material 3, so that the end is not damaged. Further, as a result of reducing the amount of packaging material, the unpacking work at the construction site can be facilitated and the amount of dust generated can be reduced.

The example of packaging four heat insulating cylinders 2 has been described above, but the number and arrangement of the heat insulating cylinders to be wrapped in one package can be changed in various ways, and the size of the protective material to be placed on the end face of the heat insulating cylinders. The shape of the sheath can also be changed as appropriate according to the number and arrangement of the heat insulating tubes. Some examples are shown in FIGS. 3 (a) to (f). In the figure, 3B, 3C, 3D, 3E, 3F, and 3G indicate protective materials, respectively.

Further, the arrangement of the heat insulating cylinders 2 is not limited to the case where the bodies of the individual heat insulating cylinders 2 are arranged in contact with each other, and as shown in FIG. 4, the two heat insulating cylinders 2 are provided at the cuts. It is also possible to combine and arrange a plurality of sets of heat insulating cylinders 2 in contact with each other by using the above. In the figure, 3H indicates a protective material.

Next, a packaging method and a packaging device for forming the packaging body 1 having the above configuration will be described. FIG. 5 is a schematic side view of the packaging device, where 10 is the packaging device, 11 is the base, 12 is the main body tower provided on the base 11, and 13 is the base so as to be rotatable about an almost vertical axis. The rotary table held in 11 and 14 are work alignment cradle provided on the rotary table 13. The work alignment cradle 14 includes a support base 16 fixed to the rotary table 13 and a work alignment member 17 held by the support base 16. As shown in FIG. 6, the work aligning member 17 includes a base plate 17a having a receiving surface for supporting the protective material 3 and a plurality of supporting plates 17b vertically provided at appropriate positions around the base plate 17a. There is. Here, the base plate 17a has a shape capable of supporting the protective material 3 placed on the base plate 17a in a form in which the peripheral edge portion of the lower surface thereof is partially exposed. This is to allow a part of the flexible packaging material to be caught in the lower surface of the protective material 3 when the flexible packaging material 4 is wound around the protective material 3. The plurality of support plates 17b restrain the outside of the lower part of the plurality of heat insulation cylinders 2 arranged upright on the protective material 3 placed on the base plate 17a, and support the heat insulation cylinders so that they do not slip off or fall over. It is arranged at a position where it can come into contact with a part of the outer circumference of each heat insulating cylinder 2. The support plate 17b can be easily deformed to the outside when the heat insulating cylinder 2 is inserted inside, and can support the heat insulating cylinder 2 so as not to fall after the heat insulating cylinder 2 is inserted. Further, after wrapping the flexible packaging material around the heat insulating cylinder 2 and the support plate 17b that supports the heat insulating cylinder 2, it is thin and elastic so that it can be easily pulled out from between the flexible packaging material and the heat insulating cylinder. It is preferably composed of a large material, for example, a leaf spring. Examples of the material of the support plate 17b include metals such as stainless steel and plastic. The thickness of the support plate 17b is preferably selected to be about 0.3 to 2 mm, and further, 0. It is more preferably about 5 to 1 mm. The height of protrusion of the support plate 17b from the base plate 17a is determined so that the heat insulating cylinder 2 inserted inside the support plate 17b can be supported so as not to fall, and it depends on the size of the heat insulating cylinder. In most cases, it is preferably about 200 to 500 mm. In the support plate 17b, the lower end of the support plate 17b extends downward from the flexible packaging material 4 even when the flexible packaging material 4 is wound around the lower end region of the heat insulating cylinder 2 and the support plate 17b. As described above, the support plate 17b is attached so as to extend downward from the base plate 17a, whereby the support plate 17b can be pulled out without any trouble. The downward protrusion length from the base plate 17a is preferably about 100 to 200 mm.

In FIG. 5, the support base 16 and the work alignment member 17 constituting the work alignment cradle 14 may be formed as an integral structure, but in the preferred embodiment shown in the drawing, these are made separate parts and the work alignment member 17 is replaced. It is possible. This makes it possible to perform packaging in a different packaging form by using a work alignment member suitable for the packaging form. For example, as shown in FIG. 7, when four sets of a combination of two heat insulating cylinders 2 are packaged together, a work alignment member 17A in which a support plate 17b is arranged at a contact position of each heat insulating cylinder 2 is used. You can use it.

In FIG. 5, 21 is an elevating table held by the main body tower 12 so as to move up and down above the rotary table 13, and 22 is rotatable on the elevating table 21 about the same axis as the rotation axis of the rotary table 13. It is a held work push base, and has a push surface 22a for pushing the protective material 3 placed on the heat insulating cylinder 2. The pressing surface 22a is made to have a smaller area than the protective material 3, and the outer peripheral portion of the upper surface of the protective material 3 is exposed while the protective material 3 is pressed. This is to allow a part of the flexible packaging material to be caught on the upper surface of the protective material 3 when the flexible packaging material 4 is wound around the protective material 3. Reference numeral 25 denotes a flexible packaging material feeding device for holding a flexible packaging material 4 for winding around a plurality of heat insulating cylinders 2, for example, a flexible packaging material roll for feeding a stretch film, and is held by a main body tower 12 so as to be able to move up and down. The flexible packaging material feeding device 25 is provided with a tension applying means, for example, a brake so that an appropriate tension can be applied to the flexible packaging material 4 to be fed. Although not shown, a drive device for rotating the rotary table 13, a drive device for raising and lowering the elevating table 21, and a drive device for raising and lowering the flexible packaging material feeding device 25 are also provided.

Next, a packaging method using the packaging device 10 will be described. In FIG. 1, a protective material 3 is placed on a work alignment member 17 on a rotary table 13, and heat insulating cylinders 2 are erected on the protective material 3 in a desired arrangement. At this time, since the upright support plate 17b of the work aligning member 17 supports the heat insulating cylinder 2 inserted inside the work aligning member 17, the heat insulating cylinder 2 does not slip off or fall over, and the heat insulating cylinder 2 can be easily erected one after another. You can go side by side. After arranging a predetermined number of heat insulating cylinders 2 side by side, a protective material 3 is placed on the upper ends thereof, the elevating table 21 is lowered, and the protective material 3 is pressed against the heat insulating cylinder 2 by the work push base 22. As a result, the plurality of heat insulating cylinders 2 and the protective materials 3 at the upper and lower ends thereof are sandwiched and held by the work aligning member 17 and the work push base 22. In this state, the flexible packaging material 4 such as the stretch film set in the flexible packaging material feeding device 25 is pulled out, and the tip of the flexible packaging material 4 is placed in the lower end region of the heat insulating cylinder 2 to support the work alignment member 17. Wrap the flexible packaging material from the outside of the plate 17b so that a part of the flexible packaging material in the width direction is further below the protective material 3 located at the lower end of the heat insulating cylinder 2, and rotate the rotary table 13 to feed the flexible packaging material. The flexible packaging material 4 from the device 25 is wound around the heat insulating cylinder 2, and the flexible packaging material feeding device 25 is raised. At this time, the flexible packaging material feeding device 25 applies a preset tension to the flexible packaging material 4 to be pulled out. Therefore, the flexible packaging material 4 spirals around the heat insulating cylinder 2 with a predetermined tension. And it is wrapped in a state where it partially overlaps. Further, at the beginning of winding, the flexible packaging material portion wound below the protective material 3 is wound on the lower surface of the protective material 3 by the tension acting on it, and the protective material 3 is fixed to the heat insulating cylinder 2. When the flexible packaging material 4 is wound up to the upper end region of the heat insulating cylinder 2 and the flexible packaging material is wound until a part of the flexible packaging material in the width direction is above the protective material 3 at the upper end, the soft packaging material is wound above the protective material 3. The part of the packaging material is caught in the upper surface of the protective material 3 by its own tension. After that, the rotation of the rotary table 13 is stopped, the flexible packaging material 4 is cut, and the flexible packaging material or protective material whose end is wound first. Press against the surface of 3 and fix. At this time, when a stretch film is used as the flexible packaging material 4, it can be adhered by the self-adhesiveness of the stretch film, so that it is not necessary to use an adhesive tape or an adhesive. Therefore, the end of the wound flexible packaging material 4 is used. The part can be easily cleaned up. If the flexible packaging material 4 does not have self-adhesiveness, the end portion of the flexible packaging material 4 may be cleaned up with an adhesive tape or an adhesive. After that, the work push base 22 is retracted upward, the formed package is lifted upward, the support plate 17b of the work alignment member 17 is pulled out from between the heat insulating cylinder 2 and the flexible packaging material 4 wound around the heat insulating cylinder 2, and the lower side is pulled out. The flexible packaging material extending below the protective material 3 is pressed against the lower surface of the protective material 3 to be adhered. By the above operation, the packaging body 1 having the form shown in FIG. 1 is created.

When a heat-shrinkable film is used as the flexible packaging material for packaging the heat-retaining cylinder 2, the plurality of heat-retaining cylinders 2 sandwiched and held by the work aligning member 17 and the work pusher 22 in the same manner as described above. A heat-shrinkable film may be wound around the support plate 17b to form a package, and then a step of heating and shrinking the heat-shrinkable film may be provided. In the case of packaging using a heat-shrinkable film, the heat-shrinkable film is heat-shrinked after winding even if the tension when the heat-shrinkable film is wound around the plurality of heat-retaining cylinders 2 is not so high or is not applied. There is no problem because it can be tightened. Therefore, it is almost unnecessary to adjust the tension at the time of winding, and the winding work becomes easy. The heating and shrinking steps of the heat-shrinkable films wound around the plurality of heat-retaining cylinders 2 may be performed after the plurality of heat-retaining cylinders 2 around which the heat-shrinkable films are wound are removed from the work alignment member 17, but will be described below. It is preferable to divide it into two stages so as to do so. That is, when the plurality of heat insulating cylinders 2 are loosely wrapped with the heat shrinkable film, then removed from the work alignment member 17 and the restraint by the support plate 17b is released, the alignment of the plurality of heat insulating cylinders 2 is disturbed, and then the heat shrinkable film is released. In order to avoid this, a heat-shrinkable film may not be obtained even if the heat-shrinkable film is heat-shrinked. While restrained by the support plate 17b, the heat-shrinkable film above the support plate 17b is heated and contracted to restrain the plurality of heat insulating cylinders 2 in a tightened state, and in that state, a plurality of heat insulating cylinders. 2 and the heat-shrinkable film surrounding it are removed from the work alignment member 17 (the support plate 17b is pulled out from between the heat-retaining cylinder 2 and the heat-shrinkable film wrapped around it), and then the non-heat-shrinkable region It is preferable to heat and shrink the heat-shrinkable film. By heat-shrinking the heat-shrinkable film in two stages in this way, the heat-shrinkable film can be satisfactorily heat-shrinked to the lower end region of the heat-retaining cylinder 2 without disturbing the aligned heat-retaining cylinders 2, which is good. Can form a package with a nice packaging

As described above, in the packaging method using the packaging device 10, the protective material 3 is simply placed on the work aligning member 17, the heat insulating cylinders 2 are arranged side by side on the work aligning member 17, and the protective material 3 is placed on the protective material 3 to work. Hold it with the push base 22, rotate the rotary table 13 in that state, wrap the flexible packaging material 1 around the heat insulating cylinder 2 and the protective material 3, and then pull out the finished package upward. , The packaging body 1 can be formed, and the heat insulating cylinder can be packaged with high productivity.

<figref num="1">(a) is a schematic perspective view showing an example of a package formed by the packaging method according to the present invention, (b) is a schematic side view showing the package as a cross section, and (c) is a schematic side view showing the outer peripheral flexible packaging material as a cross section. Schematic plan view showing the arrangement of heat insulating cylinders and the shape of the protective material in the package.</figref><figref num="2">(a) is a schematic side view showing another example of the package as a cross section of the outer flexible packaging material, and (b) is a schematic plan view showing the arrangement of the heat insulating cylinders and the shape of the protective material in the package.</figref><figref num="3">(a) to (f) are schematic plan views showing the arrangement of the heat insulating cylinders and the shape of the protective material when forming the package, respectively.</figref><figref num="4">Schematic plan showing still another example of the arrangement of the heat insulating tubes and the shape of the protective material when forming the package.</figref><figref num="5">Schematic side view showing an example of the packaging device according to the present invention.</figref><figref num="6">(a) and (b) are schematic plan views and side views of the work arrangement members used in the packaging device of FIG.</figref><figref num="7">(a) and (b) are schematic plan views and side views showing other examples of the work arrangement members used in the packaging device of FIG.</figref>

Code description

1 Packaging 2 Insulation cylinder 3, 3A Protective material 4 Flexible packaging material 10 Packaging device 11 Base 12 Main body tower 13 Rotating table 14 Work alignment cradle 16 Support base 17 Work alignment member 17a Base plate 17b Support plate 21 Lifting table 22 Work push Base 22a Pushing surface 25 Flexible packaging material feeding device