DE9306776U1 - Velor carpet tile - Google Patents
Velor carpet tileInfo
- Publication number
- DE9306776U1 DE9306776U1 DE9306776U DE9306776U DE9306776U1 DE 9306776 U1 DE9306776 U1 DE 9306776U1 DE 9306776 U DE9306776 U DE 9306776U DE 9306776 U DE9306776 U DE 9306776U DE 9306776 U1 DE9306776 U1 DE 9306776U1
- Authority
- DE
- Germany
- Prior art keywords
- carpet tile
- holes
- velours
- tile according
- velour
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 5
- 238000004873 anchoring Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 10
- 239000004744 fabric Substances 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009408 flooring Methods 0.000 description 2
- 240000000491 Corchorus aestuans Species 0.000 description 1
- 235000011777 Corchorus aestuans Nutrition 0.000 description 1
- 235000010862 Corchorus capsularis Nutrition 0.000 description 1
- WTDRDQBEARUVNC-LURJTMIESA-N L-DOPA Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C(O)=C1 WTDRDQBEARUVNC-LURJTMIESA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/024—Sectional false floors, e.g. computer floors
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
- D06N7/0063—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf
- D06N7/0071—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf characterised by their backing, e.g. pre-coat, back coating, secondary backing, cushion backing
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
- D06N7/0063—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf
- D06N7/0071—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf characterised by their backing, e.g. pre-coat, back coating, secondary backing, cushion backing
- D06N7/0081—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf characterised by their backing, e.g. pre-coat, back coating, secondary backing, cushion backing with at least one extra fibrous layer at the backing, e.g. stabilizing fibrous layer, fibrous secondary backing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/10—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with air supply, or exhaust, through perforated wall, floor or ceiling
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2201/00—Chemical constitution of the fibres, threads or yarns
- D06N2201/04—Vegetal fibres
- D06N2201/042—Cellulose fibres, e.g. cotton
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N2203/045—Vinyl (co)polymers
- D06N2203/048—Polyvinylchloride (co)polymers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/08—Bituminous material, e.g. asphalt, tar, bitumen
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/08—Properties of the materials having optical properties
- D06N2209/0807—Coloured
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/12—Permeability or impermeability properties
- D06N2209/121—Permeability to gases, adsorption
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2213/00—Others characteristics
- D06N2213/04—Perforated layer
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Carpets (AREA)
Description
Die Erfindung betrifft eine Velours-Teppichfliese, die Bestandteil eines Bodenbelages ist.The invention relates to a velour carpet tile which is a component of a floor covering.
Für Klima- und Lüftungssysteme in Gebäuden werden in zunehmendem Maße Doppelboden eingesetzt, durch die dem Raum Frischluft zugeführt wird. Diese Doppelboden oder Hohlraumböden weisen Luftauslässe auf, aus denen die Frischluft in den Raum hinein austritt. Zur Vermeidung von Zugerscheinungen werden die Luftauslässe als Quellluftauslässe ausgebildet, aus denen die Luft mit sehr geringer Austrittsgeschwindigkeit austritt. Der Doppelboden wird mit einem Bodenbelag versehen, der sich auch über die Luftauslässe erstrecken kann. Damit die Luft den Bodenbelag passieren kann, wurden luftdurchlässige Teppichboden mit sehr loser Struktur benutzt, die insgesamt einen geringen Strömungswiderstand hat. Ein solcher Teppichboden, der beispielsweise aus einer Schlingenware besteht, hat eine geringe Verschleißfestigkeit und die lose Knüpfung, die wegen der Luftauslässe er-For air conditioning and ventilation systems in buildings, raised floors are increasingly being used to supply fresh air to the room. These raised floors or hollow floors have air outlets from which the fresh air exits into the room. To avoid draughts, the air outlets are designed as displacement air outlets from which the air exits at a very low exit speed. The raised floor is provided with a floor covering that can also extend over the air outlets. To allow the air to pass through the floor covering, air-permeable carpets with a very loose structure were used, which have a low flow resistance overall. Such a carpet, which consists of a looped fabric, for example, has little wear resistance and the loose knotting that occurs due to the air outlets.
Telefon: (02 21)131041 Telex: 8882307 dopa d Telefax: (0221)134297 (02 21)134881 Telegramm: Dompatent KölnTelephone: (02 21)131041 Telex: 8882307 dopa d Fax: (0221)134297 (02 21)134881 Telegram: Dompatent Köln
• "Mengen /Accounts:• "Quantities /Accounts:
J3al. jsppenheim jr. & Cie., Köln (BLZ 370 302 00) Kto. Nr. 1O «Deutsche Bank AG, Köln (BLZ 370 70060) Kto. Nr. 1165018 Postgi'ro Köln (BLZ 37O1OO5O) Kto. Nr. 654-5OOJ3al. jsppenheim jr. & Cie., Cologne (bank code 370 302 00) Account no. 1O «Deutsche Bank AG, Cologne (bank code 370 70060) Account no. 1165018 Postgi'ro Cologne (bank code 37O1OO5O) Account no. 654-5OO
forderlich ist, wirkt sich auf der gesamten Fläche des Bodenbelages nachteilig aus. Ferner ist es bekannt, Hartbeläge, z.B. aus PVC, zu verwenden und diese Hartbeläge im Bereich der Luftauslässe mit einer Lochung zu versehen.required has a detrimental effect on the entire surface of the floor covering. It is also known to use hard flooring, e.g. made of PVC, and to provide these hard floorings with holes in the area of the air outlets.
Der Erfindung liegt die Aufgabe zugrunde, eine Velours-Teppichfliese zu schaffen, die als Bodenbelag für Luftauslässe verwendbar ist.The invention is based on the object of creating a velour carpet tile that can be used as a floor covering for air outlets.
Die Lösung dieser Aufgabe erfolgt erfindungsgemäß mit den im Anspruch 1 angegebenen Merkmalen.This object is achieved according to the invention with the features specified in claim 1.
Die erfindungsgemäße Velours-Teppichfliese weist einen Erstrücken und einen Zweitrücken auf, wobei beide Rükken von Löchern durchdrungen sind, welche die Teppichfliese luftdurchlässig machen. Diese Löcher erstrecken sich zwar durch die gesamte Struktur der Teppichfliese hindurch, jedoch sind sie an der Oberseite, also an der Veloursschicht, praktisch nicht sichtbar. Mit der erfindungsgemäßen Velours-Teppichfliese kann ein Boden-Luftauslaß bedeckt werden, während der Boden des Raumes im übrigen von ungelochten gleichartigen Teppichfliesen oder mit einer Bahnware bedeckt ist. Die Erfindung ermöglicht es, einen Doppelboden mit Veloursware von hoher Verschleißfestigkeit gleichmäßig zu belegen, ohne daß die Boden-Luftauslässe sichtbar sind. Die Velours-Teppichfliese wird auf eine gelochte Deckplatte des Doppelbodens aufgelegt, wobei die Löcher der Teppichfliese mit den Löchern der Deckplatte in Übereinstimmung kommen. Auf diese Weise wird ein direkter Luftdurchgang erreicht.The velour carpet tile according to the invention has a primary backing and a secondary backing, both backings being penetrated by holes which make the carpet tile permeable to air. These holes extend through the entire structure of the carpet tile, but they are practically invisible on the top, i.e. on the velour layer. The velour carpet tile according to the invention can be used to cover a floor air outlet, while the floor of the room is otherwise covered by unperforated, similar carpet tiles or with a sheet material. The invention makes it possible to evenly cover a raised floor with velour material with high wear resistance without the floor air outlets being visible. The velour carpet tile is placed on a perforated cover plate of the raised floor, with the holes in the carpet tile aligning with the holes in the cover plate. In this way, direct air passage is achieved.
Der Lochdurchmesser der Teppichfliese sollte maximal etwa 4 mm betragen. Vorzugsweise sind die Löcher kegelstumpf förmig ausgebildet, so daß ihre Eintrittsfläche relativ groß ist, die der Veloursschicht zugewandte Austrittsfläche jedoch kleiner.The hole diameter of the carpet tile should be a maximum of about 4 mm. The holes are preferably truncated cone-shaped so that their entry area is relatively large, but the exit area facing the velour layer is smaller.
Im folgenden wird unter Bezugnahme auf die Zeichnungen ein Ausführungsbeispiel der Erfindung näher erläutert.In the following, an embodiment of the invention is explained in more detail with reference to the drawings.
Es zeigen:Show it:
Fig. 1 eine Ansicht der Teppichfliese von deren Rückseite her undFig. 1 a view of the carpet tile from the back and
Fig. 2 in vergrößertem Maßstab einen Schnitt entlang der Linie II-II von Fig. 1.Fig. 2 shows, on an enlarged scale, a section along the line II-II of Fig. 1.
Die Teppichfliese 10 hat eine quadratische Grundfläche mit einer Kantenlänge von etwa 60 cm. Sie weist einen aus einem Gewebe bestehenden Erstrücken 11 auf, in dem die die Nutzschicht bildende Veloursschicht 12 verankert ist. Unter dem Erstrücken 11 ist mit einer Klebeschicht 13 der Zweitrücken 14 befestigt, der aus einem Filz, einem Jutegewebe, einer mittelschweren Bitumenschicht, einer PVC-Beschichtung o.dgl. bestehen kann. Der Zweitrücken 14 hat eine Schichtstärke von etwa 2-3 mm, während die Höhe der Veloursschicht 3-4 mm beträgt.The carpet tile 10 has a square base with an edge length of about 60 cm. It has a primary backing 11 made of fabric in which the velour layer 12 forming the wear layer is anchored. The secondary backing 14, which can consist of a felt, a jute fabric, a medium-weight bitumen layer, a PVC coating or the like, is attached under the primary backing 11 with an adhesive layer 13. The secondary backing 14 has a layer thickness of about 2-3 mm, while the height of the velour layer is 3-4 mm.
Die Teppichfliese 10 ist mit einem Lochmuster 15 versehen, das aus zahlreichen regelmäßig angeordneten Löchern 16 besteht. Die Löcher 16 sind in Zeilen und Spalten angeordnet, wobei der Lochabstand 10-20 mm beträgt .The carpet tile 10 is provided with a hole pattern 15, which consists of numerous regularly arranged holes 16. The holes 16 are arranged in rows and columns, with the hole spacing being 10-20 mm.
-A--A-
Die Löcher 16 erstrecken sich durch den Zweitrücken 14, die Klebeschicht 13 und den Erstrücken 11 hindurch. Die Löcher sind von der Rückseite her in die Teppichfliese eingestanzt. Sie haben kegelstumpfförmige Gestalt, d.h. ihr größter Durchmesser befindet sich an der Unterseite des Zweitrückens 14 und sie verjüngen sich zum Erstrükken 11 hin. An der Unterseite des Zweitrückens beträgt der Lochdurchmesser 2-4 mm.The holes 16 extend through the secondary backing 14, the adhesive layer 13 and the primary backing 11. The holes are punched into the carpet tile from the back. They have a truncated cone shape, i.e. their largest diameter is on the underside of the secondary backing 14 and they taper towards the primary backing 11. On the underside of the secondary backing, the hole diameter is 2-4 mm.
Die Löcher 16 werden hergestellt, indem die Teppichfliese mit der Veloursschicht nach unten auf eine Lochplatte gelegt und danach eine Dornplatte mit zahlreichen spitz zulaufenden Dornen gegen den Zweitrücken 14 gedrückt wird, wobei die Dorne die Löcher 16 stechen. Die Dorne sind kegelförmig und haben einen größten Durchmesser von 4 mm. Nach dem Herausziehen der Dorne aus den Löchern 16 schließen sich die Löcher teilweise wieder. Durch das Einstechen der spitzen Dorne erfolgt keine Materialentnahme, sondern nur eine Verdrängung und Verdichtung des Materials um die Löcher 16 herum. Ein wesentlicher Vorteil besteht darin, daß die Löcher an der Veloursschicht 12 kaum sichtbar sind. Die Sichtbarkeit der Löcher 16 von der Oberseite der Teppichfliese her wird noch dadurch verringert, daß die Veloursschicht 12 mit einer Farbmusterung versehen ist.The holes 16 are made by placing the carpet tile with the velour layer facing down on a perforated plate and then pressing a spike plate with numerous pointed spikes against the secondary back 14, whereby the spikes pierce the holes 16. The spikes are conical and have a maximum diameter of 4 mm. After the spikes are pulled out of the holes 16, the holes partially close again. By piercing the pointed spikes, no material is removed, but only a displacement and compaction of the material around the holes 16. A significant advantage is that the holes on the velour layer 12 are hardly visible. The visibility of the holes 16 from the top of the carpet tile is further reduced by the fact that the velour layer 12 is provided with a color pattern.
Die Teppichfliese 10 enthält auf einer Fläche von etwa 0,36 m2 ungefähr 1.000-1.500 Löcher, bei dem vorliegenden Ausführungsbeispiel etwa 1.280 Löcher.The carpet tile 10 contains approximately 1,000-1,500 holes on an area of approximately 0.36 m 2 , in the present embodiment approximately 1,280 holes.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9306776U DE9306776U1 (en) | 1993-05-05 | 1993-05-05 | Velor carpet tile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9306776U DE9306776U1 (en) | 1993-05-05 | 1993-05-05 | Velor carpet tile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE9306776U1 true DE9306776U1 (en) | 1994-09-22 |
Family
ID=6892863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE9306776U Expired - Lifetime DE9306776U1 (en) | 1993-05-05 | 1993-05-05 | Velor carpet tile |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE9306776U1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29606885U1 (en) * | 1996-04-16 | 1996-07-04 | Globus-Teppich-Fabrik Walter Poser GmbH, 37574 Einbeck | Gas permeable carpet element |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR828779A (en) | 1937-02-01 | 1938-05-30 | Air conditioning process and devices | |
| DE1938371U (en) | 1966-03-01 | 1966-05-12 | Erlau Ag Eisen Drahtwerk | FASTENING CHAIN FOR STABLE CATTLE, ESPECIALLY FOR PIGS. |
| DE1534384A1 (en) | 1966-02-01 | 1970-02-12 | Oskar Scheidel | Artificial lawns |
| DE2225603A1 (en) | 1971-07-06 | 1973-01-25 | Sulzer Ag | VENTILATION SYSTEM |
| DE7301483U (en) | 1973-07-12 | Mengeringhausen M | Raised floor slotted plate | |
| US3909996A (en) | 1974-12-12 | 1975-10-07 | Economics Lab | Modular floor mat |
| US4199639A (en) | 1977-07-25 | 1980-04-22 | Walter Ronc | Sandwich-structured double layer floor covering |
| DE4119675A1 (en) | 1991-06-14 | 1992-12-17 | Nickel Gmbh Heinrich | Ventilation system for theatre - includes row of vertical pipes under each row of seats |
-
1993
- 1993-05-05 DE DE9306776U patent/DE9306776U1/en not_active Expired - Lifetime
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7301483U (en) | 1973-07-12 | Mengeringhausen M | Raised floor slotted plate | |
| FR828779A (en) | 1937-02-01 | 1938-05-30 | Air conditioning process and devices | |
| DE1534384A1 (en) | 1966-02-01 | 1970-02-12 | Oskar Scheidel | Artificial lawns |
| DE1938371U (en) | 1966-03-01 | 1966-05-12 | Erlau Ag Eisen Drahtwerk | FASTENING CHAIN FOR STABLE CATTLE, ESPECIALLY FOR PIGS. |
| DE2225603A1 (en) | 1971-07-06 | 1973-01-25 | Sulzer Ag | VENTILATION SYSTEM |
| US3909996A (en) | 1974-12-12 | 1975-10-07 | Economics Lab | Modular floor mat |
| US4199639A (en) | 1977-07-25 | 1980-04-22 | Walter Ronc | Sandwich-structured double layer floor covering |
| DE4119675A1 (en) | 1991-06-14 | 1992-12-17 | Nickel Gmbh Heinrich | Ventilation system for theatre - includes row of vertical pipes under each row of seats |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29606885U1 (en) * | 1996-04-16 | 1996-07-04 | Globus-Teppich-Fabrik Walter Poser GmbH, 37574 Einbeck | Gas permeable carpet element |
| DE19709893A1 (en) * | 1996-04-16 | 1997-10-23 | Globus Teppich Fabrik Walter P | Carpet floor covering |
| DE19709893C2 (en) * | 1996-04-16 | 1999-03-04 | Globus Teppich Fabrik Walter P | Gas permeable carpet |
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