US3986530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cloth having antistatic properties
Assignee: Kuraray Co Ltd
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Filing: 1975-06-25
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Granted: 1976-10-19
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Expires: 1995-06-25
Abstract
Abstract A knitted or woven cloth having antistatic properties which is suitable for use in the preparation of filter bags and garments, which is characterized in that said cloth contains an electrically conductive thread composed of 10 to 90 weight % of electroless metal plated staple fibers, and 90 to 10 weight % of metallic filaments, in an amount of 0.1 to 1.0 thread per cm width of the cloth.
Inventors
- 👤 Minoru Maekawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:28
CPC Classifications
H; H05; H05F; H05F1/00; H05F1/02; A; A41; A41D; A41D31/00; A41D31/04; A41D31/26; D; D02; D02G; D02G3/00; D02G3/44; D02G3/441; D03; D03D; D03D15/00; D03D15/50; D03D15/533; D04; D04B; D04B1/00; D04B1/14; D06; D06M; D06M11/00; D06M11/83; D10; D10B; D10B2401/00; D10B2401/16; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S55/00; Y10S55/43; Y10S57/00; Y10S57/901
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
61 words
A knitted or woven cloth having antistatic properties, which is characterized in that said cloth contains an electrically conductive thread composed to 10 to 90 weight % of an electroless metal plated natural or synthetic resin staple fiber and 90 to 10 weight % of metallic filaments in an amount of 0.1 to 1.0 thread per cm width of the cloth.
Claim 2
Dependent Claim
61 words
A knitted or woven cloth having antistatic properties, which is characterized in that said cloth contains an electrically conductive thread composed to 10 to 90 weight % of an electroless metal plated natural or synthetic resin staple fiber and 90 to 10 weight % of metallic filaments in an amount of 0.1 to 1.0 thread per cm width of the cloth.
Claim 3
Dependent Claim
38 words
The cloth according to claim 1, wherein the electroless metal plated staple fiber comprises a substrate of a synthetic resin fiber onto which a metal coating is electrolessly plated thereon in a thickness of 0.01 to 5.0 μ.
Claim 4
Dependent Claim
38 words
The cloth according to claim 1, wherein the electrically conductive thread is composed of 30 to 70 weight % of electroless metal plated natural or synthetic resin staple fibers and 70 to 30 weight % of metallic filaments.
Claim 5
Dependent Claim
30 words
The cloth according to claim 1, wherein the electrically conductive thread is incorporated into the cloth in an amount of 0.4 to 1.0 thread per cm width of the cloth.
Claim 6
Dependent Claim
20 words
The cloth according to claim 2, wherein the thickness of the electroless metal plated coating is 0.05 to 1.0 μ.
Claim 7
Dependent Claim
19 words
The cloth according to claim 2, wherein the denier of the synthetic resin fiber is 0.1 to 9 denier.
Claim 8
Dependent Claim
19 words
The cloth according to claim 6, wherein the denier of the synthetic resin fiber is 1 to 4 denier.
Claim 9
Dependent Claim
15 words
The cloth according to claim 2, wherein the synthetic resin fiber is polyvinyl alcohol fiber.
Claim 10
Dependent Claim
11 words
The cloth according to claim 2, wherein the metal is nickel.
Claim 11
Dependent Claim
14 words
The cloth according to claim 2, wherein the metallic filament is stainless steel filament.
Claim 12
Dependent Claim
15 words
The cloth according to claim 5, wherein the synthetic resin fiber is polyvinyl alcohol fiber.
Claim 13
Dependent Claim
11 words
The cloth according to claim 11, wherein the metal is nickel.
References Cited (Backward Citations)
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US3586597A
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US3582448A
Cited
US3666550A
Cited
US3686019A
Cited
US3882667A
Cited
US3864148A
Cited
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Cited
US3699590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-10-19 | 1980-04-19 | 1980-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-19 | 1984-04-19 | 1984-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-19 | 1988-04-19 | 1988-10-19 | $7700.00 | Window Closed / Lapsed |