Patent US4798756A successfully refreshed from Google Patents.
US4798756A
Expired / Lapsed
US
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Laminate structure of interior finishing material
Assignee: Toyo Tire Corp
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Filing: 1988-01-04
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Granted: 1989-01-17
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Expires: 2008-01-04
Abstract
Abstract The present invention provides laminate structures of interior finishing material having suitable air permeability and sound absorbing properties.
Inventors
- 👤 Shigeyoshi Fukushima
- 👤 Hidehiro Uno
- 👤 Shigetoshi Mimura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:23
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/245; B32B27/00; B32B27/12; B32B5/02; B32B5/022; B32B5/18; B32B5/26; B32B7/00; B32B7/04; B32B7/12; B32B7/14; B60; B60R; B60R13/00; B60R13/02; B60R13/08; B60R13/0815; B32B2262/00; B32B2262/10; B32B2262/101; B32B2266/00; B32B2266/02; B32B2266/0214; B32B2266/0278; B32B2305/00; B32B2305/10; B32B2305/20; B32B2307/00; B32B2307/10; B32B2307/102; B32B2307/70; B32B2307/724; B32B2315/00; B32B2315/08; B32B2315/085; B32B2605/00; B32B2605/003; B32B2605/006; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24826; Y10T428/249921; Y10T428/249953; Y10T428/249982; Y10T428/249985; Y10T442/00; Y10T442/30; Y10T442/3325; Y10T442/335; Y10T442/3358
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
112 words
A laminate structure of interior finishing material having suitable air permeability and sound absorbing properties, the laminate structure comprising a thermoplastic rigid polyurethane foam layer in the form of a platelike member, a reticular glass cloth layer provided on at least one surface of the foam layer, a nonwoven fabric layer provided on one surface of the assembly of the foam and cloth layers, and a facing layer provided on the other surface of the assembly, the fabric layer and the facing layer being individually provided on the different surfaces of the assembly and being adhered by heating to the assembly with a hotmelt adhesive film having a plurality of slits therein.
Claim 2
Dependent Claim
112 words
A laminate structure of interior finishing material having suitable air permeability and sound absorbing properties, the laminate structure comprising a thermoplastic rigid polyurethane foam layer in the form of a platelike member, a reticular glass cloth layer provided on at least one surface of the foam layer, a nonwoven fabric layer provided on one surface of the assembly of the foam and cloth layers, and a facing layer provided on the other surface of the assembly, the fabric layer and the facing layer being individually provided on the different surfaces of the assembly and being adhered by heating to the assembly with a hotmelt adhesive film having a plurality of slits therein.
Claim 3
Dependent Claim
76 words
A laminate structure of interior finishing material having suitable air permeability and sound absorbing properties, the laminate structure comprising a thermoplastic rigid polyurethane foam layer in the form of a platelike member, a reinforcing layer of glass paper provided on each surface of the foam layer and adhered thereto with a hotmelt adhesive film having a plurality of slits therein, and a facing layer provided on the reinforcing layer over one surface of the foam layer.
Claim 4
Dependent Claim
76 words
A laminate structure of interior finishing material having suitable air permeability and sound absorbing properties, the laminate structure comprising a thermoplastic rigid polyurethane foam layer in the form of a platelike member, a reinforcing layer of glass paper provided on each surface of the foam layer and adhered thereto with a hotmelt adhesive film having a plurality of slits therein, and a facing layer provided on the reinforcing layer over one surface of the foam layer.
References Cited (Backward Citations)
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US3360423A
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US3666595A
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US4054710A
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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) | 1992-01-17 | 1992-07-18 | 1993-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-01-17 | 1996-07-18 | 1997-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-01-17 | 2000-07-18 | 2001-01-17 | $7700.00 | Window Closed / Lapsed |