US4414260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Static dissipative upholstery fabric or the like
Assignee: CONNECTICUT YANKEE COMMUNITY AVENUE
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Filing: 1982-08-19
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Granted: 1983-11-08
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Expires: 2002-08-19
Abstract
Abstract The invention contemplates a multi-layer electrically conductive web for safely and quickly discharging personnel-accumulated static electricity, and suitable as an upholstery material. The web comprises an upper continuous polymeric layer of relatively low conductivity, in the order of 10 8 ohms per square, bonded to an underlying continuous polymeric layer of much greater conductivity, in the order of 10 2 ohms per square, and provision is made for electrically grounding the underlying layer, illustratively by casting to the intermediate layer a continuous bottom layer of expanded polymeric material of relatively low conductivity. In the preferred embodiment, a fabric base is laminated to the bottom layer of the web.
Inventors
- 👤 Ray M. Rzepecki
- 👤 Victor H. Weiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:19
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; B; B32; B32B; B32B7/00; B32B7/02; B32B7/025; D06N7/0039; D06N7/0042; H; H05; H05F; H05F3/00; H05F3/02; H05F3/025; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/25; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31909; Y10T428/31928; Y10T442/00; Y10T442/30; Y10T442/3854; Y10T442/387; Y10T442/60; Y10T442/674; Y10T442/676
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
128 words
As an article of manufacture, for lamination to a fabric base in the manufacture of static-dissipative upholstery material or the like, a multi-layer conductive web for dissipating a static electric charge impressed thereon, said web comprising an upper layer of thermoplastic polymeric material having a volume resistivity of 1×10 7 to 1×10 12 ohm-cm, a continuous thin conductive film of thermoplastic polymeric material in direct physical and electrical connection with the underside of said upper layer and having a surface resistance in the order of 10 2 ohms per square, and a conductive underlying lower layer in electrical contact with the underside of said conductive film, said underlying layer being a layer of expanded thermoplastic polymeric material having a volume resistivity of 1×10 7 to 1×10 12 ohm-cm.
Claim 2
Dependent Claim
128 words
As an article of manufacture, for lamination to a fabric base in the manufacture of static-dissipative upholstery material or the like, a multi-layer conductive web for dissipating a static electric charge impressed thereon, said web comprising an upper layer of thermoplastic polymeric material having a volume resistivity of 1×10 7 to 1×10 12 ohm-cm, a continuous thin conductive film of thermoplastic polymeric material in direct physical and electrical connection with the underside of said upper layer and having a surface resistance in the order of 10 2 ohms per square, and a conductive underlying lower layer in electrical contact with the underside of said conductive film, said underlying layer being a layer of expanded thermoplastic polymeric material having a volume resistivity of 1×10 7 to 1×10 12 ohm-cm.
Claim 3
Dependent Claim
22 words
An upholstery fabric or the like, comprising a base fabric and the article of claim 1 laminated thereto via said underlying layer.
Claim 4
Dependent Claim
100 words
An upholstery fabric or the like, comprising a base fabric, a lower conductive layer comprising expanded thermoplastic polymeric material bonded to said fabric and having a volume resistivity of 1×10 7 to 1×10 12 ohm-cm, a continuous thin film of conductive thermoplastic polymeric material having a surface resistance in the order of 10 2 ohms per square and bonded in direct physical and electrical contact with said lower layer, and an upper layer of thermoplastic polymeric material having a volume resistivity of 1×10 7 to 1×10 12 ohm-cm and bonded in direct physical and electrical contact with said thin film.
Claim 5
Dependent Claim
100 words
An upholstery fabric or the like, comprising a base fabric, a lower conductive layer comprising expanded thermoplastic polymeric material bonded to said fabric and having a volume resistivity of 1×10 7 to 1×10 12 ohm-cm, a continuous thin film of conductive thermoplastic polymeric material having a surface resistance in the order of 10 2 ohms per square and bonded in direct physical and electrical contact with said lower layer, and an upper layer of thermoplastic polymeric material having a volume resistivity of 1×10 7 to 1×10 12 ohm-cm and bonded in direct physical and electrical contact with said thin film.
Claim 6
Dependent Claim
81 words
As an article of manufacture, a multi-layer static-dissipating upholstery material or the like, comprising an upper layer of solid electrically conductive plasticized polyvinyl chloride having a volume resistivity of 10 7 to 10 12 ohm-cm, an intermediate layer of thin continuous solid electrically conductive plasticized polyvinyl chloride having a surface resistance in the order of 10 2 ohms per square, and a lower layer of electrically conductive plasticized polyvinyl chloride having a volume resistivity of 10 7 to 10 12 ohm-cm.
Claim 7
Dependent Claim
81 words
As an article of manufacture, a multi-layer static-dissipating upholstery material or the like, comprising an upper layer of solid electrically conductive plasticized polyvinyl chloride having a volume resistivity of 10 7 to 10 12 ohm-cm, an intermediate layer of thin continuous solid electrically conductive plasticized polyvinyl chloride having a surface resistance in the order of 10 2 ohms per square, and a lower layer of electrically conductive plasticized polyvinyl chloride having a volume resistivity of 10 7 to 10 12 ohm-cm.
Claim 8
Dependent Claim
16 words
The article of claim 4, and a base fabric on the underside of said lower layer.
Claim 9
Dependent Claim
17 words
The article of claim 4, in which said lower level comprises expanded electrically conductive plasticized polyvinyl chloride.
Claim 10
Dependent Claim
16 words
The article of claim 4, in which said upper layer includes a conductive ingredient compounded therein.
Claim 11
Dependent Claim
16 words
The article of claim 4, in which said lower layer includes a conductive ingredient compounded therein.
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) | 1986-11-07 | 1987-05-09 | 1987-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-11-07 | 1991-05-09 | 1991-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-11-07 | 1995-05-09 | 1995-11-08 | $7700.00 | Window Closed / Lapsed |