US4081602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-supporting cable
Assignee: 555794 ONTARIO Inc
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Filing: 1976-03-03
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Granted: 1978-03-28
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Expires: 1996-03-03
Abstract
Abstract A self-supporting cable, more particularly a vertical riser, borehole, dredger and mine shaft cable is disclosed. The self-supporting cable comprises a cable core, a jacket surrounding the cable core and having one or two diametrically opposed sections of increased thickness, and at least one supporting member totally embedded in each jacket section of increased thickness and disposed parallel to the longitudinal axis of the cable. The supporting member preferably consists of wire ropes made of plural elementary strands wound around a central strand, each strand comprising plural individual wires twisted together.
Inventors
- 👤 Zvi Paniri
- 👤 Thomas H. Rudd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:29
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/18; H01B7/22; H01B7/221; H01B7/225; H01B7/04
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
85 words
A self-supporting power cable comprising: a. a cable core consisting of plural electrically conductive power conductors stranded together, and a filler located in the intersticial space between the conductors; b. a unitary jacket surrounding said cable core, contacting said cable core about the entire periphery thereof, and having two diametrically opposed portions of increased overall cross-sectional thickness; and c. at least one supporting member totally embedded into each diametrically opposed portion of increased overall thickness and disposed parallel to the longitudinal axis of the cable.
Claim 2
Dependent Claim
85 words
A self-supporting power cable comprising: a. a cable core consisting of plural electrically conductive power conductors stranded together, and a filler located in the intersticial space between the conductors; b. a unitary jacket surrounding said cable core, contacting said cable core about the entire periphery thereof, and having two diametrically opposed portions of increased overall cross-sectional thickness; and c. at least one supporting member totally embedded into each diametrically opposed portion of increased overall thickness and disposed parallel to the longitudinal axis of the cable.
Claim 3
Dependent Claim
34 words
A self-supporting cable as defined in claim 1, wherein said supporting member is a wire rope consisting of plural elementary strands wound around a central strand, each strand comprising plural individual wires twisted together.
Claim 4
Dependent Claim
17 words
A self-supporting cable as defined in claim 2, wherein the wire rope is made of galvanized steel.
Claim 5
Dependent Claim
21 words
A self-supporting cable as defined in claims 1, wherein there are two wire ropes per jacket portion of increased overall thickness.
Claim 6
Dependent Claim
29 words
A self-supporting cable as defined in claim 1, wherein each conductor consists of a plurality of copper wires and a layer of insulating material applied over said copper wires.
Claim 7
Dependent Claim
57 words
A self-supporting cable as defined in claim 1, wherein each conductor consists of a plurality of copper wires stranded together, a first semi-conducting shield applied over said copper wires, a layer of insulating material applied over said first shield, a second semi-conducting shield applied over said insulating layer, and copper tapes applied over said second semi-conducting shield.
Claim 8
Dependent Claim
23 words
A self-supporting cable as defined in claim 1, wherein said filler is selected from the group consisting of polypropylene, jute and rubber materials.
Claim 9
Dependent Claim
32 words
A self-supporting cable as defined in claim 1, wherein said jacket is made of a material selected from the group consisting of polyvinyl chloride, polyethylene, neoprene, chlorosulphonated polyethylene, polyurethane and natural rubber.
References Cited (Backward Citations)
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Cited
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US2851515A
Cited
US3020334A
Cited
US3549788A
Cited
US3614300A
Cited
US3728474A
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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) | 1981-03-27 | 1981-09-26 | 1982-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-03-27 | 1985-09-26 | 1986-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-03-27 | 1989-09-26 | 1990-03-28 | $7700.00 | Window Closed / Lapsed |