Submarine optical fiber cable with dam means

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G02B 644

Patent

active

046842136

ABSTRACT:
A submarine optical fiber cable includes inner and outer dams at suitable intervals for limiting water flow in the cable. The outer dams are formed in a space between inner and outer metal tubes of a pressure resisting sheath of the cable, and the inner dams are formed in the inner tube in which an optical fiber unit is enclosed. Each dam is made of a sticky compound or a jelly of plastics resin which is loaded at the dam position. The cable is also provided with a scale which represents distance from one end of the cable.

REFERENCES:
patent: 4288144 (1981-09-01), Nakai et al.
patent: 4435238 (1984-03-01), Smith
patent: 4464013 (1984-08-01), Sabia
patent: 4490009 (1984-12-01), Nakai et al.
patent: 4522464 (1985-06-01), Thomson et al.

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