US4505964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehesive lining paper for wall coverings comprising a fleece laminated to a film having a low-energy surface
Assignee: Henkel AG and Co KGaA
•
Filing: 1983-08-31
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Granted: 1985-03-19
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Expires: 2003-08-31
Abstract
Abstract Lining paper having a dehesive surface for wallpapers of all kinds and heavy wall coverings which consists of a fleece laminated on one side with a thin plastic film.
Inventors
- 👤 Wolfgang Dierichs
- 👤 Werner Eberhardt
- 👤 Jurgen Wegner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:37
CPC Classifications
B; B44; B44C; B44C7/00; D; D06; D06N; D06N7/00; D06N7/0002; D06N2203/00; D06N2203/04; D06N2203/042; Y; Y10; Y10S; Y10S156/00; Y10S156/918; Y10S156/929; Y10T; Y10T156/00; Y10T156/11; Y10T156/1168; Y10T428/00; Y10T428/23907; Y10T428/23957; Y10T428/23979; Y10T428/26; Y10T428/266; Y10T428/269; Y10T428/27; Y10T442/00; Y10T442/50; Y10T442/59; Y10T442/60; Y10T442/674; Y10T442/678
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
67 words
A lining paper consisting essentially of a fleece to be attached to a substrate laminated on one side with a thin plastic film having a low energy surface to which wallpapers and wall coverings are to be attached and from which successive changes of wallpapers and wall coverings may be removed without destroying the lining paper or requiring the surface to be filled and smoothed before attachment.
Claim 2
Dependent Claim
67 words
A lining paper consisting essentially of a fleece to be attached to a substrate laminated on one side with a thin plastic film having a low energy surface to which wallpapers and wall coverings are to be attached and from which successive changes of wallpapers and wall coverings may be removed without destroying the lining paper or requiring the surface to be filled and smoothed before attachment.
Claim 3
Dependent Claim
16 words
A lining paper in accordance with claim 1 wherein said fleece is a random fiber fleece.
Claim 4
Dependent Claim
15 words
A lining paper in accordance with claim 1 wherein said fleece is a polyolefin fleece.
Claim 5
Dependent Claim
15 words
A lining paper in accordance with claim 2 wherein said fleece is a polyolefin fleece.
Claim 6
Dependent Claim
18 words
A lining paper in accordance with claim 1 wherein the plastic film is a film of a homopolyolefin.
Claim 7
Dependent Claim
18 words
A lining paper in accordance with claim 4 wherein the plastic film is a film of a homopolyolefin.
Claim 8
Dependent Claim
18 words
A lining paper in accordance with claim 5 wherein the plastic film is a film of a homopolyethylene.
Claim 9
Dependent Claim
17 words
A lining paper in accordance with claim 6 wherein the plastic film is a film of homopolyethylene.
Claim 10
Dependent Claim
24 words
A lining paper in accordance with claim 1 wherein the weight of said fleece is between about 30 and about 150 g/m 2 .
Claim 11
Dependent Claim
24 words
A lining paper in accordance with claim 1 wherein the weight of said fleece is between about 50 and about 90 g/m 2 .
Claim 12
Dependent Claim
26 words
A lining paper in accordance with claim 1 wherein the weight of the thin plastic film is between about 5 and about 30 g/m 2 .
Claim 13
Dependent Claim
26 words
A lining paper in accordance with claim 9 wherein the weight of the thin plastic film is between about 5 and about 30 g/m 2 .
Claim 14
Dependent Claim
26 words
A lining paper in accordance with claim 1 wherein the weight of the thin plastic film is between about 15 and about 25 g/m 2 .
Claim 15
Dependent Claim
26 words
A lining paper in accordance with claim 10 wherein the weight of the thin plastic film is between about 15 and about 25 g/m 2 .
Claim 16
Dependent Claim
34 words
A lining paper in accordance with claim 1 wherein the fleece is between about 0.1 and about 0.4 mm thick and has a separation strength of from about 10 to about 60 N/10 cm.
Claim 17
Independent Claim
62 words
A method of attaching wallpaper or a wall covering to a substrate comprising the steps of A. first attaching to said substrate a lining paper comprising a fleece laminated on one side with a thin plastic film, wherein the fleece side is attached to the substrate; and B. attaching wallpaper or wall covering to the plastic film side of said lining paper.
Claim 18
Independent Claim
62 words
A method of attaching wallpaper or a wall covering to a substrate comprising the steps of A. first attaching to said substrate a lining paper comprising a fleece laminated on one side with a thin plastic film, wherein the fleece side is attached to the substrate; and B. attaching wallpaper or wall covering to the plastic film side of said lining paper.
Claim 19
Dependent Claim
20 words
A method in accordance with claim 16 wherein the fleece portion of the lining paper is a random fiber fleece.
Claim 20
Dependent Claim
19 words
A method in accordance with claim 16 wherein the fleece portion of the lining paper is a polyolefin fleece.
Claim 21
Dependent Claim
19 words
A method in accordance with claim 17 wherein the fleece portion of the lining paper is a polyolefin fleece.
Claim 22
Dependent Claim
22 words
A method in accordance with claim 16 wherein the plastic film portion of the lining paper is a film of a homopolyolefin.
Claim 23
Dependent Claim
22 words
A method in accordance with claim 19 wherein the plastic film portion of the lining paper is a film of a homopolyolefin.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-03-18 | 1988-09-17 | 1989-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-03-18 | 1992-09-17 | 1993-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-03-18 | 1996-09-17 | 1997-03-19 | $7700.00 | Window Closed / Lapsed |