US4079191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical wire for use in nuclear generating stations
Assignee: Solvay Solexis Inc
•
Filing: 1975-07-07
•
Granted: 1978-03-14
•
Expires: 1995-07-07
Abstract
Abstract Electrical wire and cable suitable for use in nuclear generating stations, having at least one electrical conductor, a micaceous insulating layer surrounding the conductor and a layer of fluoropolymer insulation surrounding the micaceous layer.
Inventors
- 👤 A. Bruce Robertson
- 👤 Elmer C. Lupton, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:28
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/02; H01B3/04; H01B3/18; H01B3/30; H01B3/44; H01B3/443; H01B3/445; H01B7/00; H01B7/02; H01B7/0208
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
44 words
Electrical cable suitable for use in nuclear generating stations comprising at least one electrical conductor, a micaceous layer in contact with and surrounding said conductor and a layer comprising a non-cross-linked copolymer of ethylene and chlorotrifluoroethylene in contact with and surrounding said micaceous layer.
Claim 2
Dependent Claim
44 words
Electrical cable suitable for use in nuclear generating stations comprising at least one electrical conductor, a micaceous layer in contact with and surrounding said conductor and a layer comprising a non-cross-linked copolymer of ethylene and chlorotrifluoroethylene in contact with and surrounding said micaceous layer.
Claim 3
Dependent Claim
18 words
The electrical cable of claim 1 wherein said micaceous-layer has a thickness of about 0.5 to 50 mils.
Claim 4
Dependent Claim
20 words
The electrical cable of claim 1 wherein said non-cross-linked copolymer layer has a thickness of about 5 to 100 mils.
Claim 5
Dependent Claim
39 words
The electrical cable of claim 1 wherein said micaceous layer is a mica paper tape which has a thickness of about 3 to 5 mils and said non-cross-linked copolymer layer has a thickness of about 10 to 20 mils.
Claim 6
Dependent Claim
15 words
The electrical cable of claim 1 wherein said non-cross-linked copolymer is an approximately equimolar copolymer.
Claim 7
Dependent Claim
13 words
The electrical cable of claim 5 wherein said conductor is a single conductor.
Claim 8
Dependent Claim
13 words
The electrical cable of claim 1 wherein said conductor is a single conductor.
Claim 9
Dependent Claim
15 words
The electrical cable of claim 1 wherein said micaceous layer comprises a mica paper tape.
References Cited (Backward Citations)
US2691694A
Cited
US2949150A
Cited
US3101845A
Cited
US3168417A
Cited
US3425865A
Cited
US3453373A
Cited
US3823255A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-03-13 | 1981-09-12 | 1982-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-03-13 | 1985-09-12 | 1986-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-03-13 | 1989-09-12 | 1990-03-14 | $7700.00 | Window Closed / Lapsed |