RELAY SUBMARINE OPTICAL FIBER CABLE STRUCTURE CAPABLE OF REDUCING DIRECT CURRENT RESISTANCE

WIPO Patent Application WO/2022/041526

A1

A relay submarine optical fiber cable structure capable of reducing the direct current resistance, comprising: an optical unit, an inner armoring steel wire (4), a resistance reduction layer (3), a conductive tube (2), and an insulating sheath (1) which are arranged from inside to outside. The resistance reduction layer (3) comprises at least one conductive tape. The conductive tap extends along the axial direction of the conductive tube (2), and is wrapped on the inner armoring steel wire (4) or is spirally wound on the inner armoring steel wire (4). According to the relay submarine optical fiber cable structure capable of reducing the direct current resistance, the resistance reduction layer (3) is additionally provided between the inner armoring steel wire (4) and the conductive tube (2), so that the direct current resistance of a submarine optical fiber cable is reduced, the resistance reduction layer (3) does not need to be welded, the missing weld rate of argon arc welding is reduced, the production convenience is ensured, and the rate of finished products is high.

XU GUOXIANG (CN)
XU RENDONG (CN)
CHEN JINLONG (CN)
LI TAO (CN)
LIU BIN (CN)
KANG HUILING (CN)
WANG YUE (CN)
XIANG YI (CN)

PCT/CN2020/131909

March 03, 2022

November 26, 2020

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HENGTONG MARINE CABLE SYSTEMS CO LTD (CN)

G02B6/44

CN110426798A	2019-11-08
CN106772845A	2017-05-31
CN111897070A	2020-11-06
CN111443443A	2020-07-24
CN101943777A	2011-01-12
JPS63274014A	1988-11-11
US4349694A	1982-09-14

CHANGZHOU BAIYETENGFEI PATENT AGENCY (GENERAL PARTNERSHIP) (CN)

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