US4684762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shielding fabric
Assignee: Federal Mogul Systems Protection Group Inc
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Filing: 1985-05-17
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Granted: 1987-08-04
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Expires: 2005-05-17
Abstract
Abstract This invention provides a fabric for RFI/EMI shielding wherein the fabric is woven, braided or warp knitted from yarns which comprise conductive fibers and non-conductive fibers wherein the conductive fibers comprise from about 10% to about 80% by weight of the fabric.
Inventors
- 👤 Harry F. Gladfelter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:38
CPC Classifications
H; H05; H05K; H05K9/00; H05K9/0073; H05K9/0098; D; D03; D03D; D03D15/00; D03D15/20; D03D15/283; D04; D04B; D04B21/00; D04B21/14; H01; H01B; H01B11/00; H01B11/02; H01B11/06; H01B11/10; H01B11/1033; D10; D10B; D10B2101/00; D10B2101/10; D10B2101/12; D10B2331/00; D10B2331/02; D10B2331/04; D10B2401/00; D10B2401/16; D10B2403/00; D10B2403/03; D10B2403/031; D10B2403/0311; D10B2505/00; D10B2505/12; Y; Y10; Y10S; Y10S174/00; Y10S174/11
Claims Analysis
Total Claims: 35
Claim 1
Independent Claim
68 words
A fabric for electrical shielding which comprises a fabric which is woven, braided or warp knitted from a yarn which comprises conductive fibers and non-conductive fibers wherein the conductve fibers comprise fibers of carbon, graphite or conductive polymer or comprise non-conductive fibers which are plated, coated or impregnated with a conductive material and wherein the conductive fibers comprise between 10% and about 80% by weight of the fabric.
Claim 2
Dependent Claim
68 words
A fabric for electrical shielding which comprises a fabric which is woven, braided or warp knitted from a yarn which comprises conductive fibers and non-conductive fibers wherein the conductve fibers comprise fibers of carbon, graphite or conductive polymer or comprise non-conductive fibers which are plated, coated or impregnated with a conductive material and wherein the conductive fibers comprise between 10% and about 80% by weight of the fabric.
Claim 3
Dependent Claim
18 words
A fabric according to claim 1 wherein the conductive fibers comprises non-conductive fibers plated or coated with metal.
Claim 4
Dependent Claim
22 words
A fabric according to claim 2 wherein the conductive fibers comprise between about 15% and about 70% by weight of the fabric.
Claim 5
Dependent Claim
22 words
A fabric according to claim 3 wherein the conductive fibers comprise between about 20% and about 60% by weight of the fabric.
Claim 6
Dependent Claim
49 words
A fabric according to claim 2 wherein the fabric comprises: warp yarns in which the conductive fibers comprise between about 20% and about 80% by weight of the yarn; and filling yarns in which the conductive fibers comprise between about 1% and about 20% by weight of the yarn.
Claim 7
Dependent Claim
19 words
A fabric according to claim 5 wherein the yarns comprise one selected from the group of nylon or polyester.
Claim 8
Dependent Claim
15 words
A fabric according to claim 6 wherein the conductive yarns comprise nylon plated with silver.
Claim 9
Dependent Claim
21 words
A fabric according to claim 6 wherein the warp yarns comprise between about 30% and about 70% conductive fibers by weight.
Claim 10
Dependent Claim
21 words
A fabric according to claim 7 wherein the warp yarns comprise between about 30% and about 70% conductive fibers by weight.
Claim 11
Dependent Claim
75 words
An article for electrical shielding wherein the article is formed at least in part from a fabric which comprises woven, braided or warp knitted yarn which comprises conductive fibers and non-conductive fibers wherein the conductive fibers comprise fibers of carbon, graphite or conductive polymer or comprise non-conductive fibers which are plated, coated or impregnated with a conductive material and wherein the conductive fibers comprise between about 10% and about 80% by weight of the fabric.
Claim 12
Dependent Claim
75 words
An article for electrical shielding wherein the article is formed at least in part from a fabric which comprises woven, braided or warp knitted yarn which comprises conductive fibers and non-conductive fibers wherein the conductive fibers comprise fibers of carbon, graphite or conductive polymer or comprise non-conductive fibers which are plated, coated or impregnated with a conductive material and wherein the conductive fibers comprise between about 10% and about 80% by weight of the fabric.
Claim 13
Dependent Claim
49 words
An article according to claim 10 wherein the fabric comprises: warp yarns in which the conductive fibers comprise between about 20% and about 80% by weight of the yarn; and filling yarns in which the conductive fibers comprise between about 1% and about 20% by weight of the yarn.
Claim 14
Dependent Claim
11 words
An article according to claim 11 which is a tubular article.
Claim 15
Dependent Claim
14 words
An article according to claim 12 wherein the tubular article is a wraparound article.
Claim 16
Dependent Claim
23 words
An article according to claim 13 wherein the wraparound closure means comprises a non-conductive zipper which is plated or coated with a metal.
Claim 17
Dependent Claim
19 words
An article according to claim 13 wherein the yarns comprise one selected from the group of nylon or polyester.
Claim 18
Dependent Claim
15 words
An article according to claim 15 wherein the conductive yarns comprise nylon plated with silver.
Claim 19
Dependent Claim
19 words
An article according to claim 12 wherein the yarns comprise one selected from the group of nylon or polyester.
Claim 20
Dependent Claim
15 words
An article according to claim 17 wherein the conductive yarns are nylon plated with silver.
Claim 21
Dependent Claim
22 words
An article according to claim 14 wherein the yarns comprise nylon or polyester and the conductive yarns comprise nylon plated with silver.
Claim 22
Dependent Claim
75 words
An assembly comprising a substrate and a fabric in shielding relationship therewith wherein the fabric is woven, braided or warp knitted from yarns which comprise conductive and non-conductive fibers and non-conductive fibers wherein the conductive fibers comprise fibers of carbon, graphite or conductive polymer or comprise non-conductive fibers which are plated, coated or impregnated with a conductive material and wherein the conductive fibers comprises between about 10% and about 80% by weight of the fabric.
Claim 23
Dependent Claim
75 words
An assembly comprising a substrate and a fabric in shielding relationship therewith wherein the fabric is woven, braided or warp knitted from yarns which comprise conductive and non-conductive fibers and non-conductive fibers wherein the conductive fibers comprise fibers of carbon, graphite or conductive polymer or comprise non-conductive fibers which are plated, coated or impregnated with a conductive material and wherein the conductive fibers comprises between about 10% and about 80% by weight of the fabric.
Claim 24
Dependent Claim
18 words
An assembly according to claim 20 wherein the conductive fibers comprise non-conductive fibers plated or coated with metal.
Claim 25
Dependent Claim
22 words
An assembly according to claim 21 wherein the conductive fibers comprise between about 15% and about 70% by weight of the fabric.
Claim 26
Dependent Claim
22 words
An assembly according to claim 22 wherein the conductive fibers comprise between about 20% and about 60% by weight of the farbic.
Claim 27
Dependent Claim
15 words
An assembly according to claim 21 wherein the conductive yarns comprise nylon plated with silver.
Claim 28
Independent Claim
66 words
A method of making fabric for electrical shielding which comprises weaving, braiding or warp knitting yarns which comprise conductive fibers and non-conductive fibers wherein the conductive fibers comprise fibers of carbon, graphite or conductive polymer or comprise non-conductive fibers which are plated, coated or impregnated with a conductive material and wherein the conductive fibers comprise between about 10% and about 80% by weight of the fabric.
Claim 29
Independent Claim
66 words
A method of making fabric for electrical shielding which comprises weaving, braiding or warp knitting yarns which comprise conductive fibers and non-conductive fibers wherein the conductive fibers comprise fibers of carbon, graphite or conductive polymer or comprise non-conductive fibers which are plated, coated or impregnated with a conductive material and wherein the conductive fibers comprise between about 10% and about 80% by weight of the fabric.
Claim 30
Dependent Claim
23 words
A method according to claim 25 comprising weaving, braiding or warp knitting conductive fibers which comprises non-conductive fibers plated or coated with metal.
Claim 31
Dependent Claim
30 words
A method according to claim 26 comprising weaving, braiding or warp knitting a fabric wherein the conductive fibers comprise between about 15% and about 70% by weight of the fabric.
Claim 32
Dependent Claim
30 words
A method according to claim 27 comprising weaving, braiding or warp knitting a fabric wherein the conductive fibers comprise between about 20% and about 60% by weight of the fabric.
Claim 33
Dependent Claim
20 words
A method according to claim 27 comprising weaving, braiding or warp knitting conductive fibers which comprise nylon plated with silver.
Claim 34
Independent Claim
77 words
A method of electrically shielding a substrate which comprises placing in shielding relationship with the substrate a fabric which is woven, braided or warp knitted from yarns which comprise conductive fibers and non-conductive fibers wherein the conductive fibers comprise fibers of carbon, graphite or conductive polymer or comprise non-conductive fibers which are plated, coated or impregnated with a conductive material and wherein the conductive fibers comprise between about 10% and about 80% by weight of the fabric.
Claim 35
Independent Claim
77 words
A method of electrically shielding a substrate which comprises placing in shielding relationship with the substrate a fabric which is woven, braided or warp knitted from yarns which comprise conductive fibers and non-conductive fibers wherein the conductive fibers comprise fibers of carbon, graphite or conductive polymer or comprise non-conductive fibers which are plated, coated or impregnated with a conductive material and wherein the conductive fibers comprise between about 10% and about 80% by weight of the fabric.
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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) | 1990-08-03 | 1991-02-02 | 1991-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-03 | 1995-02-02 | 1995-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-03 | 1999-02-02 | 1999-08-04 | $7700.00 | Window Closed / Lapsed |