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a flexible cable

A flexible cable, flexible technology, applied in the direction of insulated cables, extendable conductor cables, cables, etc., can solve problems such as difficult handling and rigid cables, and achieve the effect of avoiding excessive twisting and damage.

Inactive Publication Date: 2018-01-12
NINGXIA ZHONGSHENG CABLE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This would have the disadvantage that the tube would become very rigid and all cables would be rigid and difficult to handle

Method used

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Embodiment Construction

[0018] See figure 1 , The present invention provides a flexible cable, which includes an electrical transmission unit 6, a cylindrical water barrier 4 that is sequentially wrapped around the electrical transmission unit 6, an inner sheath 3, an armor layer 2, an outer sheath 1. The number of the electric transmission units 6 is N, which are independent of each other and are placed in the water barrier 4, and each electric transmission unit 6 includes 2 that are co-located in a flexible sleeve and covered with an insulating layer 9 respectively. A power transmission conductor 10, the power transmission unit 6 is cylindrical and cut to each other; it also includes N fan-shaped supports 7 fixed in the water barrier 4, where N is 3-7, the power transmission unit 6 A fan-shaped slot 8 is respectively opened to the fan-shaped support 7 along its center line. The center angle of the fan-shaped support 7 is embedded in the fan-shaped slot 8, and the center angle of the fan-shaped slot 8...

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Abstract

The invention provides a flexible cable. The flexible cable comprises electric transmission units, and a cylindrical-shaped water-resisting layer, an inner sheath, an armor layer and an outer sheath which are arranged on the exteriors of the electric transmission units in a coating manner in sequence, wherein the number of the electric transmission units is N, and the electric transmission units are independent to each other and are arranged in the water-resisting layer jointly; each electric transmission unit comprises two power transmission conductors which are coated with insulating layers respectively and are put in a flexible sleeve jointly; the electric transmission units are of cylindrical shapes, and are in externally tangent mutually; the flexible cable is characterized by also comprising N fan-shaped supporting bodies fixed in the water-resisting layer, wherein N is 3-7; fan-shaped grooves which are formed along the center lines towards the fan-shaped supporting bodies are formed in the electric transmission units respectively; the central angles of the fan-shaped supporting bodies are embedded in the corresponding fan-shaped grooves; and the central angles of the fan-shaped grooves are smaller than an apex angle.

Description

Technical field [0001] The invention relates to a cable, particularly a flexible cable and a power cable used between communication equipment and user terminals. Background technique [0002] In the international application WO 97 / 40504, a self-supporting cable is described, which has a shielding tape around an insulated electrical conductor, which effectively protects the cable when the cable is suspended on a fixed point. The cable can be equipped with a tube in the above-mentioned area. International application WO 2004 / 006272 describes a cable with a shielding strip of partially conductive material that is laid along the cable in the area between the insulated electrical conductor and the cable sheath. The conductive wire is laid in the strip along its entire length and forms an effective shield to cut off the cable voltage when the cable is penetrated by a conductive object. Moreover, pipes can also be arranged in such cables. [0003] The above-mentioned types of cables ar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B7/18H01B7/06H01B7/24H01B7/20H01B7/282
CPCY02A30/14
Inventor 林汉围
Owner NINGXIA ZHONGSHENG CABLE TECH CO LTD
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