US4614684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced composite comprising resin impregnated metallized polyaramide fabric and method of making same
Assignee: Bayer AG
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Filing: 1982-09-16
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Granted: 1986-09-30
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Expires: 2002-09-16
Abstract
Abstract A fabric reinforced composite having increased bond strength between impregnating resin and polyaramide reinforcing fabric and method for making the composite including using metal coated polyaramide fabric as the reinforcing material. The metal is deposited by a non-electrical method.
Inventors
- 👤 Harold Ebneth
- 👤 Lothar Preis
- 👤 Henning Giesecke
- 👤 Gerhard D. Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:12
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/88; B29C70/882; B29C70/885; D; D06; D06M; D06M11/00; D06M11/83; H; H01; H01B; H01B1/00; H01B1/20; H01B1/22; B29K; B29K2277/00; B29K2995/00; B29K2995/0003; B29K2995/0005; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/2964; Y10T428/2967; Y10T428/31504; Y10T428/31511; Y10T428/31529; Y10T428/31678; Y10T442/00; Y10T442/30; Y10T442/3382; Y10T442/339
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
81 words
A process of making a fiber reinforced molded resin product comprising (a) impregnating strips of polyaramide fabric with a resin selected from the group consisting of an epoxy resin, an unsaturated polyester resin, a polyurethane resin and a polyimide resin, (b) disposing plural layers of the resultant resin impregnated strips from step (a) in a mold and molding the resin impregnated strips thereon to cause hardening of the resin, fibers of said fabric having a metal layer deposited thereon without current.
Claim 2
Dependent Claim
81 words
A process of making a fiber reinforced molded resin product comprising (a) impregnating strips of polyaramide fabric with a resin selected from the group consisting of an epoxy resin, an unsaturated polyester resin, a polyurethane resin and a polyimide resin, (b) disposing plural layers of the resultant resin impregnated strips from step (a) in a mold and molding the resin impregnated strips thereon to cause hardening of the resin, fibers of said fabric having a metal layer deposited thereon without current.
Claim 3
Dependent Claim
33 words
A process according to claim 1, wherein the metal is selected from the group consisting of nickel, cobalt, copper, gold, silver alloys thereof with each other and alloys of said metal with iron.
Claim 4
Dependent Claim
20 words
A process according to claim 2, wherein the thickness of the metal on the is from 0.05 to 10 μm.
Claim 5
Dependent Claim
11 words
A process according to claim 1 wherein said metal is nickel.
Claim 6
Dependent Claim
13 words
A process according to claim 1 wherein said resin comprises an epoxy resin.
Claim 7
Dependent Claim
44 words
A reinforced molded material comprising a cured resin selected from the group consisting of an unsaturated polyester resin, a polyurethane resin, an epoxy resin and a polyimide resin, the resin being reinforced with plural fabric layers, the fabric being composed of metallized polyaramide fibers.
Claim 8
Dependent Claim
44 words
A reinforced molded material comprising a cured resin selected from the group consisting of an unsaturated polyester resin, a polyurethane resin, an epoxy resin and a polyimide resin, the resin being reinforced with plural fabric layers, the fabric being composed of metallized polyaramide fibers.
Claim 9
Dependent Claim
38 words
A reinforced material according to claim 6, wherein said metallized polyaramide fibers contain a metal selected from the group consisting of nickel, cobalt, copper, gold, silvers, alloys thereof with each other and alloys of said metal with iron.
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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) | 1989-09-29 | 1990-03-31 | 1990-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-09-29 | 1994-03-31 | 1994-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-09-29 | 1998-03-31 | 1998-09-30 | $7700.00 | Window Closed / Lapsed |