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Non-universal optical unit of submarine photoelectric composite cable and making method thereof

A photoelectric composite cable and the technology of its manufacturing method, which are applied in the direction of fiber mechanical structure, etc., can solve the problems of broken core of optical unit, optical unit cannot bear tension and side pressure, etc., and achieve compact structure, superior protection performance, and reliable manufacturing process Effect

Active Publication Date: 2008-06-04
ZHONGTIAN TECH SUBMARINE CABLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After detailed investigation and analysis, it was found that the above structured light unit could not withstand the tension and lateral pressure applied to the optical unit during the coiling, laying and operation of the submarine photoelectric composite cable, which caused the core of the optical unit to break

Method used

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  • Non-universal optical unit of submarine photoelectric composite cable and making method thereof
  • Non-universal optical unit of submarine photoelectric composite cable and making method thereof

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Embodiment Construction

[0027] Refer to attached figure 1 , 2 The non-universal optical unit structure of the submarine photoelectric composite cable includes several optical fibers 2 , plastic tube 7 , hot melt adhesive layer 6 , stainless steel tube 3 , water blocking material 1 , high-strength armored steel wire 4 , and plastic protective layer 5 . A layer of plastic tube 7 is extruded outside several optical fibers 2, and the plastic tube 7 is filled with high water resistance material 1, and a layer of hot melt adhesive 6 is extruded outside the plastic tube 7, and a stainless steel tube 3 is made outside the plastic tube 7, and the stainless steel tube 3 One to two layers of high-strength armored steel wire 4 are armored on the outside, and a plastic protective layer 5 is extruded outside the high-strength armored steel wire 4 . The water-blocking material 1 can use water-blocking ointment, and the plastic protective layer 5 can use plastic materials such as polyethylene, nylon, and polyuretha...

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Abstract

The present invention relates to a submarine photoelectric composite cable non-universal type optical unit and its manufacture method. Its structure includes the following several portions: several optical fibres, plastic tube, stainless steel tube, water-proof material, high-strength armouring steel wire and external protective layer. Said invention also provides the concrete steps of its manufacture method.

Description

technical field [0001] The non-universal optical unit of the submarine optoelectronic composite cable and the manufacturing method thereof of the present invention relate to a composite stainless steel optical fiber loose tube outer armored with one to two layers of high-strength armored steel wire, and then extruded polyethylene outer sheath on the steel wire. Submarine photoelectric composite cable optical unit composed of sets. The optical unit is suitable for entering the gap between the three-core power cores of the submarine photoelectric composite cable when the three-core power core is cabled to form a submarine photoelectric composite cable. Background technique [0002] At present, the optical unit used in the manufacture of photoelectric composite cables in the world and domestically basically adopts the structure of plastic loose tubes (ordinary land optical cables), and some directly use stainless steel optical fiber loose tubes to replace an outer armored steel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B6/44
Inventor 薛济萍薛驰杜青蔡炳余
Owner ZHONGTIAN TECH SUBMARINE CABLE CO LTD
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