Composite fiber-optic overhead ground wire

Details Composite fiber-optic overhead ground wire Composite fiber-optic overhead ground wire

1988-02-03

1989-09-12

Gonzalez, Frank

G02B 644

Patent

active

048654159

ABSTRACT:
A composite fiber-optic overhead ground wire having an optical unit which includes an optical fiber protecting tube, a spacer having helical grooves formed in its outer periphery, and multiple optical fiber units accommodated in the grooves of the spacer. Each of the optical fiber units includes multiple coated optical fibers formed of an optical glass fiber and a primary coating layer on the outer periphery of the optical glass fiber. The coated optical fibers are stranded around the outer periphery of a tension member. A first heat-resistant thin tape is wound in an overlapping manner around an outer periphery of the stranded coated optical fibers. The first heat-resistant thin tape is surrounded by a layer of interposition material which has a cushioning effect. A second heat-resistant thin tape is wound in an overlapping manner around the outer periphery of the interposition material.

REFERENCES:
patent: 4515435 (1985-05-01), Anderson
patent: 4523804 (1985-06-01), Thompson
patent: 4548664 (1985-10-01), Canivet
patent: 4671610 (1987-06-01), Kitayama et al.
patent: 4723832 (1988-02-01), Okazato et al.
patent: 4725453 (1988-02-01), Nakasone et al.

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