Feed through for optical submerged repeater

Details Feed through for optical submerged repeater Feed through for optical submerged repeater

1979-10-03

1981-10-20

Corbin, John K.

Electricity: conductors and insulators

Feedthrough or bushing

Compression

174705, G02B 514, H02G 300

Patent

active

042957079

ABSTRACT:
A feedthrough for optical submerged repeater, in which a clad part of an optical fiber to be introduced into the feedthrough is given a metal coating; the coated part is inserted into a small-diametered metal pipe to be hermetically fixed between the optical fiber and the small-diametered metal pipe as by soft solder; and the small-diametered metal pipe is inserted into a disc sleeve to hermetically fix them as by brazing. Between the disc sleeve and a metal body housing the disc sleeve, polyethylene is molded for electrical insulation therebetween and for holding air-tightness against seawater, and at the side of the disc sleeve facing toward seawater or at both sides of the disc sleeve, an insulator of the optical fiber cable and polyethylene of the abovesaid molding are molded to be contiguous to each other. The abovementioned metal body is fixedly attached to the end face plate of the pressure resisting casing in a manner to provide an air-tight structure.

REFERENCES:
patent: 2894055 (1959-07-01), Clark et al.
patent: 4214809 (1980-07-01), Reh

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