Built-in drainage channel installable in a floor

The invention relates to a mounting groove for laying in a Floor with a groove profile comprising a strip of soil and side parts formed into a groove longitudinal slot upwardly tapering polygonal cross section of a material data sheet - in particular from stainless steel sheet -, Said side of this channel profile Extension units are connected.

The cross-section of such from DE 33 09 178 C2 as collecting channels Facilities for the food processing industry, in butcher shops, wineries od. like. Known installation channels consists for example of two mutually in a Angle extending base strip, the sidewall strips Connect that near the longitudinal slot in each other pass sloping ridge or gutter neck walls. As additional elements are provided on the first walls Gussets. These mounting grooves are on a subfloor or mounted on the recessed grooves of a floor.

When laying the gutter difficulties arise again, so often mounting aids are used. Such assembly aids - the example from US-A 2,180,842 are known - - serve the upper edges of the trough to hold as long as at the level of the finished floor, to the channel surrounded by a thermosetting molding compound and is held embedded. As mounting aids can also Pairs of vertical adjustment screws are used, the Slots succeed in growing elements and where Nuts are adjusted; by means of the nuts you are in able, the edges of the mounting groove at floor level adjust in order to subsequently in a bed of a hardening receive casting material, wherein the surface of the Bed advantageously at the same level with the edges of the mounting groove lies.

The lateral mounting elements lead to better anchoring the mounting groove in the floor, also a Load balancing in this.

Given these circumstances, the inventor has the Target set to design a channel of the type mentioned in such a way that they easily and quickly during assembly adjusted and then verify in the casting can be anchored.

To achieve this object the teaching of the independent Claim, the subclaims provide favorable developments at.

According to the invention in the lateral mounting elements Breakthroughs provided which of an intimate connection Mounting groove with the surrounding in-use position encapsulant allow. In addition, it has proved to be favorable, the Channel cross-section of two mutually inclined bottom strip, of these parallel outgoing socket walls and on thereby improving these adjoining side walls, that the ratio of the height of the base wall to the channel height about 1: 3.5 and the angle of inclination between the side wall and cross-sectional length about 20 °; to clarify the relationship the axially parallel height of the side wall to the level of Base wall with about 2: be selected. 1 Thanks to these standards the side walls are longer and steeper, ie, the Check and clean the gutter space is considerably simplified.

According to a further feature of the invention, the lateral Extension unit a profile strip with three cross-sectionally mutually inclined zones, namely with one of the profile groove fitting connection zone, a breakthroughs Intermediate zone containing a well - se from Font to DE 94 11 477 U1 known to the applicant, Slots for rack screws, clip anchor od. Like. Holding members having - fastening leg.

In one embodiment, the attachment element to the sloped Sidewall be determined; then the angle between Connecting zone and intermediate zone or between the latter and the anchoring leg selected to be about 140 ° or 150 °.

In another embodiment, the connection zone is the lateral attachment element at the axially parallel wall socket fixed, and the angle between the connecting zone and Intermediate zone or between the latter and the fastening leg is about 120 ° or 150 °. This is also to the upper edge of the side wall formed a Abkantstreifen be, of the vertically offset an adhesive margin which the parallel is for fastening legs of the attachment element and can be used mainly in thin beds.

As add-on element can of sidewall and base wall axially parallel wings protrude webs to each other in distance, the endwards by a common angled profile - or at its lower edge with a base plate - are connected. Another embodiment includes as the channel profile abragendes Attachment element at least one axially parallel wing web, to which a base plate is formed vertically; latter can also at both formed on a respective wing web be.

better embedding half the intended the wing web and / or angular profile and / or its footplate with those Breakthroughs be provided.

In the invention, it is that the profile strips in distance from each other - provided with a slot - paraxial postponed wing strips and with him and / or the channel profile are firmly connected.

Another favorable embodiment provides a mounting element in The form of a plan view castellated beveled strip of material in that fixed to the side wall and is inclined in cross-section of their downward. From channel profile protrude here looped or box-like formations from, which are provided with the mentioned openings. Further advantages, features and details of the invention result from the following description of preferred Embodiments and from the drawing; these shows in:<dl tsize="28"><dt>Fig. 1:</dt><dd>a perspective view of a portion of a Mounting groove;</dd><dt>Fig. 2:</dt><dd>the cross-section of Fig. 1;</dd><dt>Fig. 3:</dt><dd>a comparison with FIG. 1.2 enlarged Cross-section through a channel profile of the Mounting groove;</dd><dt>Fig 4,7,9,11,13,15,17,19.:</dt><dd>in each case a perspective view of other embodiments of groove profiles;</dd><dt>Fig 5,8,10,12,14,16,18,20.:</dt><dd>the cross sections through the Fig. 4,7,9,11,13,15,17,19;</dd><dt>Fig. 6:</dt><dd>a detail from FIG. 5.</dd></dl>

About a concrete slab or subfloor 10 runs to this in distance a -. in Figures 1 to 3 a heptagonal channel space 11 Offerer - channel profile 12 Stainless steel of the channel height h of about 60 mm to 285 mm with in clear distance b of about 50 mm to 90 mm parallel base walls 14, bottom of the edge of two forming and another a bottom sloped bottom strip out 16 and upwards two side walls 18. The Flooring strips 16 are inclined to one another and limit each with the longitudinal axis A of the channel cross section a W angle of 70 ° here.

Even those sidewalls 18 are - to form a longitudinal slot 20, the width c of about 8 mm to 20 mm - from of their respective base wall 14 from the longitudinal axis A in a acute angle t of 21 ° inclined inwardly and each ending 22 at a slot edge these are lateral Abkantstreifen 24 bent outwards, the elbows with form the base walls 14 parallel end legs 26th These lateral Abkantstrei £ 24 s are after pouring a casting compound to the subfloor in a 10 - for reasons of clarity not shown - Flooring embedded, and of Abkantstreifen 24 and end legs 26 limited channel space 25 is then filled with casting material. The surface of the Rohbodens 10 is at 28 only indicated. Near this surface 28, the side walls 18 of the channel profile 12 - at longer intervals e - by Crossbars 30 interconnected.

the thickness of the stainless steel sheet of the channel profile 12 here between 1 mm and 3 mm, preferably 2 mm.

On the outer surfaces of the inclined side walls 18 is in Fig. 1.2 one profile strip 32 set - for example, glued, soldered, welded or riveted - the cross-section is divided into three portions; at a hinged to the side wall 18 connecting zone 34 closes at an angle z of about 140 °, an intermediate zone 35 on and to this at an angle z₁ of about 150 °, a Attachment leg 36 with slots 38, whose longitudinal axes B parallel to the longitudinal axis E of the channel profile 12th The slots 38 are periodically the strip-like mounting legs 36 on its whole leg length distributed. The unit of the channel profile 12 and the two-sided profile strip 32 is for clarity referred to as installation channel 40 designated.

At least one of the elongated holes 38 of the profile strip 32 is penetrated by an adjusting screw 42, at the with Nuts 43 of the profile strip 32 - and hence the mounting groove 40 - can be fixed. Each of the adjusting screw 42 projects up from a base plate 44 which in turn , Connected to the unfinished floor 10, z. B. by screws . Is, cement, synthetic resins or the like -.. Is the whole Space around the application of the curable casting compound - eg. Mortar, concrete, inter alia, the long holes 32 - as well as additional Breakthroughs 45 of the intermediate zone 35 - and thus causes a improved fixation of the channel profile 12 and the installation groove 40 in the casting.

Of particular importance for the hygiene of the channel profile 12 is its cross-sectional design. Fig. 3 can be based a dashed contour K commonly structured by recognize channel profiles; whose angle t₁ between cross-sectional longitudinal axis A and side wall 19 of the contour K measures 35 °, the angle w₁ between the bottom strip 17 of the contour K and the cross section longitudinal axis A of here 65 °. In a bottom width b of about 50 mm and a channel height h of 70 mm measures the height f of the base walls here 20 mm, the axis-parallel height f₁ the side walls 18 to 40 mm and the axial height f₂ the bottom strip 16 only 10 mm. The bigger Steepness of the new sidewalls 18 of the invention Channel profile 12 improves access a cleansing Water jet significantly.

When mounting groove 40_a Fig. 4.5 are the flanking Profile strip 32_a attached to the parallel base walls 14, ie the connection zones 34 are parallel to the Sectional longitudinal axis A; the angle z between the connecting zone 34 and the intermediate zone 35 measures 120 ° here. To the the cross-sectional longitudinal axis A parallel end limbs 26 of Abkantstreifen 24 this channel profile 12_a here each a parallel to the edge strips 27 as Abkantstreifen 24 Adhesive edge formed for thin-bed installation. The height h of the channel profile 12_a equivalent to 3.5 times the distance i - about 10 to 18 mm - between adhesive border or edge strips 27 on the one hand and flooring surface 28 on the other.

The crossbars 30 of the trough sections 12,12_a the respective Installation trough 40,40_a serve - also during use the channel profile 12,12_a - As a stiffener. The inter alia in Fig. 7.8 Visible cuboid spacers 31 of Heavy duty mounting groove 40_b however, may wish before Use or after installation of the mounting groove 40_b of the better cleaning due to be removed.

On the base wall 14 and side wall 18 of the channel profile 12 of these installation groove 40_b are otherwise outside wing-like webs 46 welded in distance to each other n and their free Stegendkanten 47 by an axis-parallel Angle profile 48.. The latter is to the cross-sectional longitudinal axis A parallel Stegendkante 47 and to the to rectangular web bottom edge 47_a welded; the Weld zones are designated by 50th

The upward in the channel space 25 of the upper groove end einragenden wing-like webs 46 provide the aforementioned, of the casting compound to passing through the apertures 45 at, the lower - the web bottom edge 47 fitting - leg 49 of the angle section 48 includes the slots described 38th

The relation to the above-discussed gutters heavier Installation channel 40_c Fig. 9.10 is on one side with the wing webs 46 equipped. On their web bottom edge 47_a is an outer base plate 52 with oval openings 45_a added.

When mounting groove 40_d Fig. 11.12 is on each wing rib 46_a a short foot plate 52_a formed, the wing rib 46_a thus has an L-shaped cross-section. He ends downward with the base line 15 of the adjacent base wall 14 - So anyway above the bottom of the strip 16 formed keel line 54 - and has at least one oval breakthrough 45_a at. The latter can - as in the rest with the other installation channels - through an oblong hole be 38 replaced.

In Fig. 13.14 the footplate described above is 52_a of the Installation channel 40_e Centerpiece of a U-shaped longitudinal study side mounting member 56, the both sides of a wing rib 46_a serving as a leg.

The mounting groove 40 shown in Figures 15-16._f contains iw the channel profile 12 of Fig. 1.2. On the - side provided - profile strips 32 are n intervals Wing struts 46_b so delayed that their lower edges 47_ain Fig. 16 approximately flush with that Kiellinie 54th to Recording of the profile strip 32 runs in the Wing bars 46_b a respective insertion slot 58, which the side wall 18 widens conically at 60 to the to detect inclined intermediate zone 35; the outer Attachment leg 36 of the profile strip 32 is approximately in the center of the web height q arranged.

The side profile strips 32_b the mounting groove 40_G of the Fig. 17.18 is an attached to the side wall 18 Elbow with between its two legs 33 of these out designed, tapered away, the profile strips 32_b reinforcing beads 62nd

The heavy installation groove 40_H FIG. 19,20 consists of Profile groove 12 and on both sides connected, multiple crenellated folded sheet metal strip 64; in plan view U-shaped Form portions 65 of the metal strip 64 alternate with projecting from the ends of the mold region and another leg flush mounting portions 66, which at the side wall 18 of the channel profile 12 are added. From the lower edges of the mounting portions 66 protrude - perpendicular the cross-sectional axis A - lashing tongues 67 that offer the slots 38th These lashing tongues 67 extending the lower edge 68 of the projecting U-like shape area 65 in a downward angle s of here almost 20 °; the lower edge 68_a the direction parallel to the channel longitudinal axis E Central portion of the U-like shape portion 65 lies approximately in a given from the keel line 54 level.