Patent US4363019A successfully refreshed from Google Patents.
US4363019A
Expired / Lapsed
US
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Ignition cables
Assignee: Denso Corp
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Filing: 1981-02-02
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Granted: 1982-12-07
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Expires: 2001-02-02
Abstract
Abstract A high voltage ignition cable having low capacitance comprising a resistive-conductor core, an insulator layer, and a jacket, wherein the resistive-conductor core comprises a tension member prepared by intertwining a plurality of polyaramide fiber bundles around a central polyaramide fiber bundle, is described.
Inventors
- 👤 Yoshimi Miyamoto
- 👤 Keiichi Kojima
- 👤 Yasuo Toriumi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:34
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/18; H01B7/182; H01B7/0063
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
52 words
A high voltage ignition cable having a low capacitance comprising a resistive-conductor core, an insulator layer, and a jacket, wherein the resistive-conductor core comprises a tension member prepared by intertwining a plurality of polyaramide fiber bundles around a central polyaramide fiber bundle, wherein said tension member is impregnated with a semiconductive paint.
Claim 2
Dependent Claim
52 words
A high voltage ignition cable having a low capacitance comprising a resistive-conductor core, an insulator layer, and a jacket, wherein the resistive-conductor core comprises a tension member prepared by intertwining a plurality of polyaramide fiber bundles around a central polyaramide fiber bundle, wherein said tension member is impregnated with a semiconductive paint.
Claim 3
Dependent Claim
20 words
A high voltage ignition cable having a low capacitance as in claim 1, wherein the insulator layer comprises cross-linked polyethylene.
Claim 4
Dependent Claim
50 words
A high voltage ignition cable having a low capacitance as in claim 1, wherein the resistive-conductor core comprises an extruded semiconductive compound layer over a stripping layer on the tension member impregnated with a semiconductive paint and dried, said core having an outer diameter of a maximum of 1.2 mm.
Claim 5
Dependent Claim
24 words
A high voltage ignition cable having a low capacitance as in claim 1, wherein the insulator layer comprises a cross-linked blend polymer containing polyethylene.
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) | 1985-12-06 | 1986-06-07 | 1986-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-12-06 | 1990-06-07 | 1990-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-12-06 | 1994-06-07 | 1994-12-07 | $7700.00 | Window Closed / Lapsed |