US4131702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-supporting molded component for automotive vehicles
Assignee: Dynamit Nobel AG
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Filing: 1977-06-16
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Granted: 1978-12-26
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Expires: 1997-06-16
Abstract
Abstract A self-supporting molded headliner for use in the inside of automobile roofs is formed of a layered composite arrangement or construction of polyethylene foam panels laminated or otherwise secured on both sides to at least one reinforcing layer of rigid paperboard, for example, corrugated cardboard or carton material.
Inventors
- 👤 Franz W. Alfter
- 👤 Hans-Ulrich Breitscheidel
- 👤 Gunter Mecklenburg
- 👤 Paul Spielau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:59
CPC Classifications
B; B32; B32B; B32B29/00; B32B29/002; B32B29/007; B32B27/00; B32B27/06; B32B27/10; B32B29/08; B32B5/00; B32B5/18; B60; B60R; B60R13/00; B60R13/02; B60R13/0212; B60R13/0225; B32B2266/00; B32B2266/02; B32B2266/0214; B32B2266/025; B32B2317/00; B32B2317/12; B32B2317/127; B32B2605/00; B32B2605/003; Y; Y10; Y10T; Y10T428/00; Y10T428/23; Y10T428/239; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/249921; Y10T428/249953; Y10T428/249962; Y10T428/249964; Y10T428/249965
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
67 words
A self-supporting molded component for lining the inside of automobile roofs, comprising a layered composite arrangement of crosslinked polyethylene foam panels laminated on both sides to at least one reinforcing layer of corrugated cardboard or carton material, said polyethylene foam panels being arranged so that the reinforcing layer is surrounded on all sides by the polyethylene foam panels and is sealed off against the penetration of mositure.
Claim 2
Dependent Claim
67 words
A self-supporting molded component for lining the inside of automobile roofs, comprising a layered composite arrangement of crosslinked polyethylene foam panels laminated on both sides to at least one reinforcing layer of corrugated cardboard or carton material, said polyethylene foam panels being arranged so that the reinforcing layer is surrounded on all sides by the polyethylene foam panels and is sealed off against the penetration of mositure.
Claim 3
Dependent Claim
36 words
The molded component according to claim 1, wherein the foam panels have outer edges that are arranged to extend beyond the reinforcing layer, said outer edges being sealed together during the formation of said molded component.
Claim 4
Dependent Claim
30 words
The molded component according to claim 1, wherein projections of polyethylene foam are integrally molded thereto on the side that faces the automobile roof, in marginal zones. of said component.
Claim 5
Dependent Claim
24 words
The molded component according to claim 2, wherein the edges of the polyethylene foam panels are joined together and form a continuous marginal strip.
Claim 6
Dependent Claim
23 words
The molded component according to claim 1, wherein a visible surface which faces the interior of the automobile is provided with decorative materials.
Claim 7
Dependent Claim
123 words
A self-supporting molded component for lining the interior surface of a roof of an automobile which comprises a laminated composite of crosslinked polyethylene foam panels adhered to the upper and lower sides of a reinforcing layer consisting of at least one corrugated cardboard material, having a thickness of from 3 to 8 mm, said corrugated cardboard material comprising two outer layers of paperboard material having a thickness of from 0.1-0.8 mm and an intermediate corrugated layer of paperboard material having a thickness of from 0.1-0.5 mm and the polyethylene foam panels having outer edges extending beyond the outer edges of the reinforcing layer, said outer edges of the foam panels being sealed together to prevent the penetration of moisture into said reinforcing layer.
Claim 8
Dependent Claim
123 words
A self-supporting molded component for lining the interior surface of a roof of an automobile which comprises a laminated composite of crosslinked polyethylene foam panels adhered to the upper and lower sides of a reinforcing layer consisting of at least one corrugated cardboard material, having a thickness of from 3 to 8 mm, said corrugated cardboard material comprising two outer layers of paperboard material having a thickness of from 0.1-0.8 mm and an intermediate corrugated layer of paperboard material having a thickness of from 0.1-0.5 mm and the polyethylene foam panels having outer edges extending beyond the outer edges of the reinforcing layer, said outer edges of the foam panels being sealed together to prevent the penetration of moisture into said reinforcing layer.
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) | 1981-12-25 | 1982-06-26 | 1982-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-12-25 | 1986-06-26 | 1986-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-12-25 | 1990-06-26 | 1990-12-26 | $7700.00 | Window Closed / Lapsed |