Patent US3975562A successfully refreshed from Google Patents.
US3975562A
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Textile floor covering with bottom of thermoplastic foam and a method of producing it
Assignee: Leuna Werke Walter Ulbright Germany VEB
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Filing: 1975-01-31
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Granted: 1976-08-17
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Expires: 1995-01-31
Abstract
Abstract A textile floor covering consisting of a textile layer, to the carrier layer of which the pile has been applied, and a bottom of thermoplastic foam, wherein the textile layer is directly connected with a thermoplastic foamed sheeting of polymerizates as a bottom, the polymerizates being selected from a group consisting of ethylene polymerizate, ethylene vinylacetate copolymerizate, and a mixture of ethylene polymerizate and ethylene vinylacetate copolymerizate, the foamed sheeting having a thickness of between 1.5 and 10 mm and a density of 0.10 to 0.40 g/cm 3 , preferably from 0.15 to 0.20 g/cm 3 . A method for producing a textile floor covering consisting of a textile layer, to the carrier layer of which the pile has been applied, and a bottom of thermoplastic foam, wherein the textile layer is applied directly to a foamed sheeting of polymerizates, as defined above, by means of thermolaminating, welding, sewing or stitch-bonding.
Inventors
- 👤 Karl-Heinz Madebach
- 👤 Otto Wittenburg
- 👤 Gerd Wilde
- 👤 Werner Taube
- 👤 Werner Lauterberg
- 👤 Dieter Barthel
- 👤 Dieter Pape
- 👤 Gerhard Gerstner
- 👤 Joachim Antemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:03
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/02; B32B5/06; B32B27/00; B32B5/22; B32B5/24; B32B5/245; B32B5/32; D; D06; D06N; D06N7/00; D06N7/0063; D06N7/0071; D06N7/0076; D06N7/0086; B32B2266/00; B32B2266/06; B32B2266/08; B32B2307/00; B32B2307/70; B32B2307/72; B32B2309/00; B32B2309/08; B32B2309/10; B32B2309/105; B32B2471/00; D06N2203/00; D06N2203/04; D06N2203/042; D06N2203/045; D06N2205/00; D06N2205/04; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23979; Y10T428/23986; Y10T428/24; Y10T428/24942; Y10T428/24992; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/249988
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
85 words
A textile floor covering consisting of a textile layer constituted of a pile and a textile carrier layer for the pile and foamed thermoplastic sheeting directly connected to and in contact with the textile layer, the thermoplastic being selected from the group consisting of polyethylene, copolymers of ethylene and vinyl acetate and mixtures of polyethylene and copolymers of ethylene and vinyl acetate, the foamed thermoplastic sheeting having a thickness of from 1.5 to 10 mm. and a density of from 0.10 to 0.40g./cm. 3 .
Claim 2
Dependent Claim
85 words
A textile floor covering consisting of a textile layer constituted of a pile and a textile carrier layer for the pile and foamed thermoplastic sheeting directly connected to and in contact with the textile layer, the thermoplastic being selected from the group consisting of polyethylene, copolymers of ethylene and vinyl acetate and mixtures of polyethylene and copolymers of ethylene and vinyl acetate, the foamed thermoplastic sheeting having a thickness of from 1.5 to 10 mm. and a density of from 0.10 to 0.40g./cm. 3 .
Claim 3
Dependent Claim
24 words
A textile floor covering according to claim 1, wherein the foamed sheeting has a closed foam structure at the surface as well as inside.
Claim 4
Dependent Claim
26 words
A textile floor covering according to claim 1, wherein the foamed sheeting has an open foam structure at the surface and a closed foam structure inside.
Claim 5
Dependent Claim
26 words
A textile floor covering according to claim 1, wherein the foamed sheeting has a closed foam structure at the surface and a mixed-cells foam structure inside.
Claim 6
Dependent Claim
25 words
A textile floor covering according to claim 1, wherein the foamed sheeting has an open foam structure at the surface and a mixed-cells structure inside.
Claim 7
Dependent Claim
32 words
A textile floor sovering according to claim 1, wherein the pile consists of a material selected from the group consisting of polyamide, polyacrylonitrile, rayon, polyester and polyolefin fibers, wool, and animal hair.
Claim 8
Dependent Claim
29 words
A textile floor covering according to claim 1, wherein the carrier layer consists of a material selected from the group consisting of natural fibers, synthetic fibers, and glass fibers.
Claim 9
Dependent Claim
40 words
A textile floor covering according to claim 1, wherein the textile layer is directly connected with the foamed sheeting by a cooled melt of a material selected from a group consisting of polyethylene, ethylene vinyl acetate copolymers, and mixtures thereof.
Claim 10
Dependent Claim
23 words
A textile floor covering according to claim 1, in which the density of the sheeting is from 0.15 to 0.20 g./cm. 3 .
Claim 11
Dependent Claim
22 words
A textile floor covering according to claim 1, in which the textile layer and the foamed sheeting are connected by knit stitches.
Claim 12
Dependent Claim
22 words
A textile floor covering according to claim 1, in which the textile layer and the foamed sheeting are connected by stitch-bonding stitches.
Claim 13
Dependent Claim
22 words
A textile floor covering according to claim 1, in which the textile layer and the foamed sheeting are connected by neelde-felting bonds.
Claim 14
Dependent Claim
74 words
A textile floor covering wherein further the textile layer is connected to the foamed sheeting by a non-porous elastic layer consisting of the same thermoplastic as the sheeting, into which the carrier layer has been incorporated, and the bottom side of the foamed sheeting is of a density of from 0.1 to 0.4 g/cm 3 and the upper side of the foamed sheeting is of a density from 0.5 to 0.9 g/cm 3 .
Claim 15
Dependent Claim
74 words
A textile floor covering wherein further the textile layer is connected to the foamed sheeting by a non-porous elastic layer consisting of the same thermoplastic as the sheeting, into which the carrier layer has been incorporated, and the bottom side of the foamed sheeting is of a density of from 0.1 to 0.4 g/cm 3 and the upper side of the foamed sheeting is of a density from 0.5 to 0.9 g/cm 3 .
Claim 16
Dependent Claim
30 words
A textile floor covering according to claim 13, wherein the the thickness of the non-porous elastic layer ranges between 10 and 50 percent of the total thickness of the thermoplastics.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-17 | 1980-02-16 | 1980-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-17 | 1984-02-16 | 1984-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-17 | 1988-02-16 | 1988-08-17 | $7700.00 | Window Closed / Lapsed |