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Patent US4375493A successfully refreshed from Google Patents.
US4375493A
Expired / Lapsed
US
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Refractory coated and conductive layer coated flame resistant insulating fabric composition
Assignee: Label Aire Inc
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Filing: 1982-01-12
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Granted: 1983-03-01
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Expires: 2002-01-12
Abstract
Abstract Fabric base compositions having a refractory coating on one side and a conductive layer coating on the other side exhibit flame and heat resistance and electrical conducting properties.
Inventors
- 👤 Stephen George
- 👤 Thomas H. George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:07
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/45; C04B41/50; C04B41/5025; D; D04; D04H; D04H11/00; D06; D06M; D06M10/00; D06M10/04; D06M10/06; D06N; D06N7/00; D06N7/0005; D06N7/0039; D06N7/0042; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2804; Y10T428/2848; Y10T428/30; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2049; Y10T442/2057; Y10T442/2074; Y10T442/2082; Y10T442/2418; Y10T442/2426; Y10T442/273
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
68 words
A heat resistant, flexible refractory insulating composition comprising: (a) a base fabric; (b) a refractory coating comprising refractory materials, said refractory coating formed on one side of said fabric and said refractory materials being capable of fusing with the base fabric at elevated temperatures; and (c) a conductive layer coating comprising copper, aluminum, silver or conductive carbon, said conductive coating formed on the other side of said fabric.
Claim 2
Dependent Claim
68 words
A heat resistant, flexible refractory insulating composition comprising: (a) a base fabric; (b) a refractory coating comprising refractory materials, said refractory coating formed on one side of said fabric and said refractory materials being capable of fusing with the base fabric at elevated temperatures; and (c) a conductive layer coating comprising copper, aluminum, silver or conductive carbon, said conductive coating formed on the other side of said fabric.
Claim 3
Dependent Claim
16 words
A composition according to claim 1 wherein the conductive layer comprises conductive carbon and resinous binder.
Claim 4
Dependent Claim
18 words
A composition according to claim 2 wherein the resinous binder is epoxy resin, urethane resin or acrylic resin.
Claim 5
Dependent Claim
18 words
A composition according to claim 2 wherein the resinous binder is polyimide resin, polyamideimide resin or polyester resin.
Claim 6
Dependent Claim
35 words
A composition according to claim 1 wherein the conductive layer comprises a film of copper, aluminum, silver or mixtures thereof and a permanent pressure sensitive adhesive, said adhesive adhering said film to said base fabric.
Claim 7
Dependent Claim
15 words
A composition according to claim 5 wherein the adhesive is acrylic resin or vinyl resin.
Claim 8
Dependent Claim
33 words
A composition according to claim 1 wherein the conductive layer comprises a film of copper, aluminum, silver or mixtures thereof and a bonding resin, said resin adhering said film to said base fabric.
Claim 9
Dependent Claim
23 words
A composition according to claim 7 wherein the resin is epoxy resin, urethane resin, acrylic resin, polyimide resin, polyamideimide resin or polyester resin.
Claim 10
Dependent Claim
19 words
A composition according to claim 1 wherein said refractory coating is formed on said base fabric by plasma spraying.
Claim 11
Dependent Claim
55 words
A composition according to claim 1 wherein said refractory coating additionally comprising a bonding agent and said composition includes the following additional element: (e) a saturation coating formed on the outside surface of said refractory coating, said bonding agent and said saturation coating being an inorganic composition comprising colloidal silica, monoaluminum phosphate and aluminum chlorohydrate.
Claim 12
Dependent Claim
29 words
A composition according to claim 1 wherein said refractory coating additionally comprises a bonding agent, said bonding agent being acrylic latex resin or acrylic latex resin and colloidal silica.
Claim 13
Dependent Claim
26 words
A composition according to claim 1 including the following additional element: (f) an abrasion resistant polymeric coating formed on the outside surface of said refractory coating.
Claim 14
Dependent Claim
24 words
A composition according to claim 1 including the following additional element: (g) an adhesive applied to the outside surface of said conductive layer coating.
Claim 15
Dependent Claim
30 words
A composition according to claim 12 wherein said refractory coating additionally comprises a bonding agent, said bonding agent and said polymeric coating being polyimide resin, polyamideimide resin or polyester resin.
Claim 16
Dependent Claim
14 words
A composition according to claim 1 wherein the base fabric is a knitted fabric.
Claim 17
Dependent Claim
17 words
A composition according to claim 1 wherein the fabric is a woven fabric or a non-woven fabric.
Claim 18
Dependent Claim
28 words
A composition according to claim 15 or 16 wherein the base fabric is made from fiberglass yarn, Kevlar yarn or a mixture of fiberglass yarn and Kevlar yarn.
Claim 19
Dependent Claim
20 words
A composition according to claim 1 wherein the refractory materials are alumina, zirconia, calcium silicate, silicon dioxide or mixtures thereof.
Claim 20
Dependent Claim
17 words
A composition according to claim 1 wherein the refractory materials are silicon carbide or thermal carbon black.
Claim 21
Dependent Claim
31 words
A composition according to claim 1 wherein said base fabric is made from fiberglass yarn and said refractory coating comprises a polyamideimide resin, alumina silica fiber, zirconium oxide and aluminum hydrate.
Claim 22
Dependent Claim
26 words
A composition according to claim 15 or 16 wherein the base fabric is made from quartz yarn or a mixture of quartz yarn and Kelvar yarn.
Claim 23
Dependent Claim
27 words
A composition according to claim 1 wherein the base fabric is a non-woven web or paper of alumina silica fibers, alumina fibers, zirconia fibers or mixtures thereof.
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) | 1986-02-28 | 1986-08-30 | 1987-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-02-28 | 1990-08-30 | 1991-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-02-28 | 1994-08-30 | 1995-03-01 | $7700.00 | Window Closed / Lapsed |