US4020207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interior covering with reinforcement
Assignee: Dynamit Nobel AG
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Filing: 1973-12-07
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Granted: 1977-04-26
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Expires: 1993-12-07
Abstract
Abstract An interior covering for automotive vehicles, containers, or the like, which is insulating and optionally constructed to be self-supporting, comprising at least two sheets of polyethylene foam of identical or different density permanently bonded together with a reinforcing polymer-containing layer to form a multiple-layered structure.
Inventors
- 👤 Franz-Werner Alfter
- 👤 Joachim Becke
- 👤 Hans-Ulrich Breitscheidel
- 👤 Herbert Laubenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:17
CPC Classifications
B; B60; B60R; B60R13/00; B32; B32B; B32B27/00; B32B27/06; B32B27/065; B32B1/00; B32B3/00; B32B3/10; B32B3/12; B32B5/00; B32B5/02; B32B5/18; B60R13/02; B60R13/0212; B60R13/0225; B32B2266/00; B32B2266/02; B32B2266/0214; B32B2266/025; B32B2605/00; B32B2605/003; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/24479; Y10T428/24496; Y10T428/24504; Y10T428/24628; Y10T428/24669; Y10T428/24694; Y10T428/249921; Y10T428/249953; Y10T428/24996; Y10T428/249981; Y10T428/249982; Y10T428/249985; Y10T428/249987; Y10T428/24999
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
85 words
An interior dome covering for automotive vehicles that is insulating and self-supporting, which comprises a molded laminate structure having a contoured configuration with a variable cross-section, and consisting of at least two sheets of crosslinked polyethylene foam permanently bonded together with an intermediate polymer-containing non-foamed reinforcing layer to form a multiple-layered structure; said reinforcing layer being made from a material selected from the group consisting of polyethylene, polypropylene, ethylene-propylene copolymers, vulcanized fiber reinforced rubber, polyvinylchloride, and cellulosic material impregnated with phenolic resin or melamine resin.
Claim 2
Dependent Claim
85 words
An interior dome covering for automotive vehicles that is insulating and self-supporting, which comprises a molded laminate structure having a contoured configuration with a variable cross-section, and consisting of at least two sheets of crosslinked polyethylene foam permanently bonded together with an intermediate polymer-containing non-foamed reinforcing layer to form a multiple-layered structure; said reinforcing layer being made from a material selected from the group consisting of polyethylene, polypropylene, ethylene-propylene copolymers, vulcanized fiber reinforced rubber, polyvinylchloride, and cellulosic material impregnated with phenolic resin or melamine resin.
Claim 3
Dependent Claim
17 words
The interior covering according to claim 1, wherein the reinforcing layer is formed as a honeycomb sheet.
Claim 4
Dependent Claim
117 words
An insulating interior dome covering fashioned to be self-supporting, for automotive vehicles which comprises a molded laminate structure having a contoured configuration with a variable cross-section, and consisting of at least two crosslinked polyethylene foam sheets permanently bonded to intermediate polymer-containing non-foamed reinforcing layers to form a multiple-layer structure and profiled reinforcing insert members made of thermoplastic resin and shaped and arranged to span the laminate structure in at least one of the longitudinal direction and the transverse direction of said moled laminate structure; said reinforcing layer being made from a material selected from the group consisting of polyethylene, polypropylene, ethylene-propylene copolymers, vulcanized fiber reinforced rubber, polyvinylchloride, and cellulosic material impregnated with phenolic resin or melamine resin.
Claim 5
Dependent Claim
117 words
An insulating interior dome covering fashioned to be self-supporting, for automotive vehicles which comprises a molded laminate structure having a contoured configuration with a variable cross-section, and consisting of at least two crosslinked polyethylene foam sheets permanently bonded to intermediate polymer-containing non-foamed reinforcing layers to form a multiple-layer structure and profiled reinforcing insert members made of thermoplastic resin and shaped and arranged to span the laminate structure in at least one of the longitudinal direction and the transverse direction of said moled laminate structure; said reinforcing layer being made from a material selected from the group consisting of polyethylene, polypropylene, ethylene-propylene copolymers, vulcanized fiber reinforced rubber, polyvinylchloride, and cellulosic material impregnated with phenolic resin or melamine resin.
Claim 6
Dependent Claim
27 words
The interior covering according to claim 3, wherein the reinforcing members are applied to the backside of one of the polyethylene foam sheets of the laminate structure.
Claim 7
Dependent Claim
17 words
The interior covering according to claim 4, wherein the reinforcing members are cemented to the laminate structure.
Claim 8
Dependent Claim
23 words
The interior covering according to claim 4, wherein the reinforcing members are firmly bonded to the laminate structure by the effect of heat.
Claim 9
Dependent Claim
14 words
The interior covering according to claim 3, wherein the reinforcing members have a contour.
Claim 10
Dependent Claim
13 words
The interior covering according to claim 5, wherein the reinforcing members are corrugated.
Claim 11
Dependent Claim
17 words
The interior dome covering according to claim 1, wherein the sheets of polyethylene foam have identical density.
Claim 12
Dependent Claim
17 words
The interior dome covering according to claim 1, wherein the sheets of polyethylene foam have different densities.
Claim 13
Dependent Claim
17 words
The interior dome covering according to claim 3, wherein said polyethylene foam sheets have the same density.
Claim 14
Dependent Claim
16 words
The insulating interior dome covering of claim 3, wherein the polyethylene foam sheets have different density.
Claim 15
Dependent Claim
18 words
The interior dome covering according to claim 1, wherein the reinforcing layer is formed as a grid-shaped sheet.
Claim 16
Dependent Claim
18 words
The interior dome covering according to claim 1, wherein the reinforcing layer is formed as a perforated sheet.
Claim 17
Dependent Claim
19 words
The interior dome covering according to claim 1, wherein the reinforcing layer is formed as a sheet having ridges.
Claim 18
Dependent Claim
46 words
An interior dome covering for automotive vehicles that is insulating and self-supporting which consists of a molded laminate structure formed of at least one crosslinked polyehtylene foam sheet having reinforcing profiled insert members made of polyethylene or polypropylene embedded therein on one side of said sheet.
Claim 19
Dependent Claim
46 words
An interior dome covering for automotive vehicles that is insulating and self-supporting which consists of a molded laminate structure formed of at least one crosslinked polyehtylene foam sheet having reinforcing profiled insert members made of polyethylene or polypropylene embedded therein on one side of said sheet.
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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) | 1980-04-25 | 1980-10-25 | 1981-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-25 | 1984-10-25 | 1985-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-25 | 1988-10-25 | 1989-04-26 | $7700.00 | Window Closed / Lapsed |