US5122622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical cable having a bearing part and two concentrically arranged conductors
Assignee: Siemens AG
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Filing: 1991-02-13
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Granted: 1992-06-16
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Expires: 2011-02-13
Abstract
Abstract An electrical cable includes a central bearing part having a plurality of high-tensile plastic filaments. A rubber sheathing encloses the bearing part. An inner and outer conductor are twisted onto the sheathed bearing part and are disposed concentrically to one another. The inner and outer conductors each include stranded wires. The stranded wires of the inner conductor, as well as the stranded wires of the outer conductor, are twisted together to form a lay. The stranded wires of the inner conductor have the same number of lays as the stranded wires of the outer conductor but with opposite directions of lay. An inner separation layer covers the inner conductor and an outer separation layer covers the outer conductor. Additionally, a rubber insulation layer covers the outer separation layer. Finally, an outer covering encloses the outer separation layer.
Inventors
- 👤 Thomas Reuss
- 👤 Klaus Lotter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:32
CPC Classifications
H; H01; H01B; H01B9/00; H01B9/04; H01B7/00; H01B7/04; H01B7/041; H01B7/17; H01B7/18; H01B7/182; H01B7/1825
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
130 words
An electrical cable comprising: a central bearing part having a plurality of high tensile plastic filaments; a rubber sheathing enclosing said bearing part; an inner and outer conductor twisted onto said sheathed bearing part and disposed concentrically to one another, said inner and outer conductors each including a plurality of stranded wires; an inner separation layer covering said inner conductor and contacting said outer conductor, and an outer separation layer covering said outer conductor; a rubber insulation layer covering said outer separation layer; and an outer covering enclosing said rubber insulation layer, wherein the stranded wires of the inner conductor have the same number of lays about the rubber sheathing as the stranded wires of the outer conductor, said inner conductor and said outer conductor having opposite directions of lay.
Claim 2
Dependent Claim
130 words
An electrical cable comprising: a central bearing part having a plurality of high tensile plastic filaments; a rubber sheathing enclosing said bearing part; an inner and outer conductor twisted onto said sheathed bearing part and disposed concentrically to one another, said inner and outer conductors each including a plurality of stranded wires; an inner separation layer covering said inner conductor and contacting said outer conductor, and an outer separation layer covering said outer conductor; a rubber insulation layer covering said outer separation layer; and an outer covering enclosing said rubber insulation layer, wherein the stranded wires of the inner conductor have the same number of lays about the rubber sheathing as the stranded wires of the outer conductor, said inner conductor and said outer conductor having opposite directions of lay.
Claim 3
Dependent Claim
20 words
The electrical cable of claim 1 wherein said inner and outer separation layers each comprise a wrapped, plastic bonded-fiber fabric.
Claim 4
Dependent Claim
16 words
The electrical cable of claim 1 wherein said inner separation layer further comprises a plastic film.
Claim 5
Dependent Claim
16 words
The electrical cable of claim 2 wherein said inner separation layer further comprises a plastic film.
Claim 6
Dependent Claim
18 words
The electrical cable of claim 1 wherein said inner and outer conductors have substantially the same electrical cross-section.
Claim 7
Dependent Claim
18 words
The electrical cable of claim 2 wherein said inner and outer conductors have substantially the same electrical cross-section.
Claim 8
Dependent Claim
18 words
The electrical cable of claim 3 wherein said inner and outer conductors have substantially the same electrical cross-section.
Claim 9
Dependent Claim
17 words
The electrical cable of claim 3 wherein said inner separation layer further comprises a rubber insulation layer.
Claim 10
Dependent Claim
17 words
The electrical cable of claim 4 wherein said inner separation layer further comprises a rubber insulation layer.
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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) | 1995-06-16 | 1995-12-16 | 1996-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-06-16 | 1999-12-16 | 2000-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-06-16 | 2003-12-16 | 2004-06-16 | $7700.00 | Window Closed / Lapsed |