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US4798756A Expired / Lapsed US ⏱️ 0.0 years remaining

Laminate structure of interior finishing material

Assignee: Toyo Tire Corp
•
Filing: 1988-01-04
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Granted: 1989-01-17
•
Expires: 2008-01-04
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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 09:30
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)

US2928456A Cited
US3360423A Cited
US3666595A Cited
US4054710A Cited
US4099943A Cited
US4276341A Cited

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

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