US3620906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass fiber laminates and method
Assignee: Johns Manville Fiber Glass Inc
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Filing: 1970-02-25
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Granted: 1971-11-16
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Expires: 1990-02-25
Abstract
Abstract A panel for use as an acoustical panel or automobile headliner comprising a combination of resilient body of resin-bonded fiber and a covering decorative surfacing cloth united together with an intermediate thermoplastic sheet, and a method of forming such panel comprising superimposing the said components upon each other with a thermoplastic sheet intermediate thereof and compressing the assembly while heating to fuse the intermediate thermoplastic sheet to each of said body of resin binder with fiber and covering decorative surfacing cloth.
Inventors
- 👤 George John Hannes
- 👤 Johns-Manville Fiberglass Inc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:18
CPC Classifications
B; B29; B29C; B29C70/00; B32; B32B; B32B27/00; B32B27/12; B32B27/32; B32B5/00; B32B5/22; B32B5/24; B32B5/26; F; F16; F16F; F16F1/00; F16F1/36; F16F1/3605; B29K; B29K2309/00; B29K2309/08; B32B38/00; B32B2038/0052; B32B2038/0076; B32B2262/00; B32B2262/10; B32B2262/101; B32B2305/00; B32B2305/02; B32B2305/026; B32B2307/00; B32B2307/70; B32B2307/732; B32B2307/734; B32B2309/00; B32B2309/08; B32B2309/10; B32B2309/105; B32B2605/00; B32B2605/08; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044; Y10T428/00; Y10T428/26; Y10T428/269; Y10T428/31504; Y10T428/31551; Y10T428/31645; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3528; Y10T442/3537
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
39 words
the thermoplastic sheet to soften and to flow into a surface portion of both the adjacent fabric layer and the glass fiber mass to unite said fabric layer and said glass fiber mass integrally with said thermoplastic sheet; and
Claim 2
Dependent Claim
76 words
A laminate as described in claim 1 wherein the mass of glass fibers comprises a plurality of distinct layers of glass fibers with the layer of glass fibers contacting the thermoplastic sheet of the airspace and airflow characteristics given in claim 1 being of the greatest density, and wherein said layers of glass fibers are integrally joined by means of portions of said binder having been caused to flow between adjacent layers of said glass fiber.
Claim 3
Dependent Claim
33 words
a mass of glass fibers containing between about 7 and 30 percent by weight of an uncured adhesive distributed substantially evenly throughout the mass of fibers consisting essentially of a thermosetting resin, and
Claim 4
Dependent Claim
34 words
a mass of glass fibers containing between about 7 and about 30 percent by weight of an uncured adhesive distributed substantially evenly throughout the mass of fibers consisting essentially of a thermosetting resin, and
Claim 5
Dependent Claim
38 words
The thermoplastic sheet to soften and to flow into a surface portion of both the adjacent fabric layer and glass fiber mass to unite said fabric layer and said glass fiber mass integrally with said thermoplastic sheet, and
Claim 6
Dependent Claim
67 words
the glass fiber mass to be characterized by between about 90 and about 99 percent airspace and a flow property of between about 7 and about 100 cubic feet/min./sq./ft./inch of thickness under 1 inch of water pressure, and c. thereafter removing the heat and pressure and permitting the thermoplastic sheet to set, whereby the fabric and fibrous mass are integrally joined by means of said thermoplastic sheet.
Claim 7
Dependent Claim
16 words
a perforate intermediate thermoplastic sheet, b. subjecting the composite structure to heat and pressure to cause:
Claim 8
Dependent Claim
15 words
an intermediate thermoplastic sheet, b. subjecting the composite structure to heat and pressure to cause:
Claim 9
Dependent Claim
22 words
A laminate as described in claim 1 wherein the intermediate sheet is polyethylene having a thickness of between 1/2 and 10 mils.
Claim 10
Dependent Claim
68 words
the glass fiber mass to be characterized by between about 90 and about 99 percent airspace and a flow property of between about 7 and about 100 cubic feet/min./sq. ft./inch of thickness under 1 inch of water pressure, and c. thereafter removing the heat and pressure and permitting the thermoplastic sheet to set, whereby the fabric and fibrous mass are integrally joined by means of said thermoplastic sheet.
Claim 11
Independent Claim
21 words
A method of forming a resilient, flexible, dimensionally stable, low-density laminated article comprising: a. laminating a composite structure consisting essentially of:
Claim 12
Dependent Claim
107 words
A method as defined in claim 4 wherein the mass of glass fibers comprises a plurality of distinct layers of glass fibers, at least one of which contains an initially cured adhesive consisting essentially of thermosetting resin, and at least one of which initially contains an uncured adhesive consisting essentially of thermosetting resin in contact with the thermoplastic sheet and which mass is compressed and set by said uncured resin, curing during said heat and pressure application to a density greater than its original density and the density of the layer containing the cured adhesive and to have the airspace and airflow characteristics given in claim 4.
Claim 13
Dependent Claim
19 words
A method as defined in claim 4 wherein the intermediate sheet is polyethylene between 1/2 and 10 mils thick.
Claim 14
Dependent Claim
60 words
An automobile headliner having a body of randomly arranged bonded fibers, said body being resiliently compressible, a colored surfacing fabric of fibrous glass and a continuous plastic film interlayer directly adhering the surfacing fabric to the body, said plastic film interlayer being between 2 and 4 mils in thickness and in a color compatible with that of the surfacing fabric.
Claim 15
Dependent Claim
55 words
A headliner for an automobile having a sound-insulating body of randomly arranged bonded fibrous glass, said body being resiliently compressible, a colored surfacing fabric and a continuous plastic film interlayer directly adhering the surface of the fabric to the body, said plastic film interlayer being in a color compatible with that of the surfacing fabric.
Claim 16
Dependent Claim
44 words
A headliner for an automobile having a sound-insulating body of randomly arranged bonded fibers, said body being resilient and a continuous plastic film interlayer directly adhering the surface fabric to the body, said plastic film interlayer being between 2 and 4 mils in thickness.
Claim 17
Dependent Claim
56 words
A headliner for an automobile having a sound-insulating body of bonded fibers, a colored surfacing fabric of fibrous glass and a continuous plastic film interlayer directly adhering the surfacing fabric to the body, said plastic film interlayer being between 1/2 and 10 mils in thickness and in a color compatible with that of the surfacing fabric.
Claim 18
Independent Claim
108 words
A method of forming an automobile headliner which comprises placing in overlying relation a surfacing fabric of fibrous glass, a continuous, imperforate thermoplastic interlayer of a compatible color with that of the surfacing fabric of the fibrous glass, a main insulating body of randomly arranged fibrous glass with a heat-curable binder dispersed therethrough, pressing the body to the final shape desired in the product and applying heat to cure the binder and to fuse the thermoplastic interlayer, said application of heat being controlled to fuse the thermoplastic interlayer to an extent where it flows into the interstices of the surfacing fabric while still retaining its continuous, imperforate nature.
Claim 19
Dependent Claim
125 words
A resilient, flexible, dimensionally stable, low-density laminate consisting essentially of: a. a covering layer of porous fabric, b. a resilient, flexible, dimensionally stable, low-density mass of compacted glass fibers bonded throughout at their intersections with between about 7 and about 30 percent by weight of a cured binder distributed substantially evenly throughout the mass of fibers consisting essentially of a thermosetting resin, said bonded mass of compacted fibers having between about 90 and about 99 percent airspace and an airflow characteristic of between about 7 and 100 cubic feet/min./sq./ft./inch of thickness at 1 inch of water pressure, and c. a perforate intermediate thermoplastic sheet integrally united with both the layer of porous fabric and the fiber mass by being thermally bonded with surface portions thereof.
Claim 20
Independent Claim
21 words
A method of forming a resilient, flexible, dimensionally stable, low-density laminated article comprising: a. laminating a composite structure consisting essentially of:
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) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |