GB485408A - Improvements in or relating to air insulated electric cables - Google Patents
Improvements in or relating to air insulated electric cablesInfo
- Publication number
- GB485408A GB485408A GB6506/37A GB650637A GB485408A GB 485408 A GB485408 A GB 485408A GB 6506/37 A GB6506/37 A GB 6506/37A GB 650637 A GB650637 A GB 650637A GB 485408 A GB485408 A GB 485408A
- Authority
- GB
- United Kingdom
- Prior art keywords
- conductor
- conductors
- inner conductor
- strands
- wires
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
Landscapes
- Communication Cables (AREA)
- Insulated Conductors (AREA)
Abstract
485,408. Cables. SIEMENS & HALSKE AKT.-GES. March 4, 1937, No. 6506. Convention date, March 5, 1936. [Class 36] An air-space insulated cable comprises one or more lines each consisting of coaxial inner and outer conductors, each inner conductor is constituted by a number of component conductors assembled as strands in direct contact with one another and of such a cross-section that they fit together to form a smooth surfaced conductor of circular cross-section. The component conductors are preferably stranded together with such a long lay, i.e. a length of lay exceeding fifteen times the diameter of the composite conductor, that interfering longitudinal fields are not produced by highfrequency currents flowing in the component conductors. In the construction shown in Fig. 1, an inner conductor 10 comprising sectorshaped strands 11-14 is insulated from an outer conductor 16, consisting of shaped strips, by a helical spacer 14 and a sleeve 15, both formed of a polyvinyl compound such as polystyrol. The strips of the outer conductor are held by a copper binding 17 over which are applied a wound band 18 of insulating material, a water-tight sheath 19 and a flat wire armouring 20 embedded in jute. The strands of the inner conductor, the strips of the outer conductor and the wires of the armouring are laid up in the same direction. The inner conductor may be formed by stranding together three circular wires and then passing the composite conductor through a shaping device in the manner described in Specification 197,692, [Class 36]. Fig. 2 shows a modified construction wherein the inner conductor 21 consists of a circular sectioned wire 22 surrounded by six profiled wires. The inner and outer conductors are separated by spaced insulating discs 23.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE485408X | 1936-03-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB485408A true GB485408A (en) | 1938-05-19 |
Family
ID=6543281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB6506/37A Expired GB485408A (en) | 1936-03-05 | 1937-03-04 | Improvements in or relating to air insulated electric cables |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB485408A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110010291A (en) * | 2019-04-25 | 2019-07-12 | 金杯电工衡阳电缆有限公司 | A kind of aerial insulated cable roll-forming conductor structure |
-
1937
- 1937-03-04 GB GB6506/37A patent/GB485408A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110010291A (en) * | 2019-04-25 | 2019-07-12 | 金杯电工衡阳电缆有限公司 | A kind of aerial insulated cable roll-forming conductor structure |
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