Patent US5204172A successfully refreshed from Google Patents.
US5204172A
Expired / Lapsed
US
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Flexible fabric thermal insulators
Assignee: Akzo Nobel UK PLC
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Filing: 1990-02-16
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Granted: 1993-04-20
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Expires: 2010-02-16
Abstract
Abstract A laminated fabric suitable as a thermal insulator or fire barrier. The fabric comprises a layer (10) of a knitted glass fabric, to provide flexibility, and layers of heat reflecting materials (11), to reflect the heat, and woven glass fabric (12) to provide an effective thermal barrier.
Inventors
- 👤 Roy J. Gidley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:13
CPC Classifications
A; A62; A62C; A62C8/00; A62C8/06; B; B32; B32B; B32B15/00; B32B15/14; B32B15/18; B32B15/20; B32B25/00; B32B25/10; B32B25/20; B32B5/00; B32B5/22; B32B5/24; B32B5/26; F; F16; F16L; F16L59/00; F16L59/02; F16L59/026; F16L59/029; F16L59/08; B32B2262/00; B32B2262/10; B32B2262/101; B32B2305/00; B32B2305/10; B32B2305/18; B32B2305/186; B32B2307/00; B32B2307/30; B32B2307/304; B32B2307/306; B32B2307/3065; B32B2307/50; B32B2307/554; B32B2311/00; B32B2311/24; B32B2311/30; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10T; Y10T442/00; Y10T442/30; Y10T442/3382; Y10T442/3415; Y10T442/3423; Y10T442/3431; Y10T442/3439
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
40 words
A flexible laminated fabric comprising a first layer (10) of knitted glass fabric, a second layer (11) of heat reflecting foil, a third layer (12) comprising a woven glass fabric and a fourth layer (13) comprising an abrasion resistant material.
Claim 2
Dependent Claim
40 words
A flexible laminated fabric comprising a first layer (10) of knitted glass fabric, a second layer (11) of heat reflecting foil, a third layer (12) comprising a woven glass fabric and a fourth layer (13) comprising an abrasion resistant material.
Claim 3
Dependent Claim
16 words
A fabric according to claim 1, wherein the first layer (10) is a weft knitted fabric.
Claim 4
Dependent Claim
23 words
A fabric according to claim 1, wherein the second layer (11) is selected from the group comprising aluminium foil and stainless steel foil.
Claim 5
Dependent Claim
28 words
A fabric according to claim 1, wherein the first layer (10) is clad on each surface with a second (11), a third (12) and a fourth (13) layer.
Claim 6
Dependent Claim
15 words
A fabric according to claim 1, wherein there are two or more first layers (10).
Claim 7
Dependent Claim
15 words
A fabric according to claim 5, wherein there are two or more second layers (11).
Claim 8
Dependent Claim
18 words
A fabric according to claim 6, wherein a second layer (11) is interposed between the first layers (10).
Claim 9
Dependent Claim
13 words
A fabric according to claim 1, wherein the fourth layer (13) is resilient.
Claim 10
Dependent Claim
15 words
A fabric according to claim 8, wherein the fourth layer (13) is a silicone rubber.
Claim 11
Dependent Claim
18 words
A flexible fire-resistant barrier (9) formed from a rolled-up length of laminated fabric as claimed in claim 1.
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) | 1996-04-19 | 1996-10-19 | 1997-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-04-19 | 2000-10-19 | 2001-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-04-19 | 2004-10-19 | 2005-04-20 | $7700.00 | Window Closed / Lapsed |