Anchor device for an optical cable

Details Anchor device for an optical cable Anchor device for an optical cable

1996-10-07

1998-05-26

Palmer, Phan T. H.

Optical waveguides

Accessories

External retainer/clamp

385101, 385137, 174 40R, 361 93, G02B 600

Patent

active

057580057

ABSTRACT:
An anchor device for an optical cable comprises an anchor clamp for anchoring an optical cable, which is extended along power transmission lines stretched between iron towers, to an iron tower associated therewith, and a semiconductive ring having a predetermined volume resistivity and having a rounded external shape. The semiconductive ring is fixed on the outer peripheral surface of the optical cable in contact with an end of a reinforcing rod of the anchor clamp opposite the tower. By attaching the semiconductive ring, it is possible to lessen the intensity of the electric field of the power transmission lines in the vicinity of that end of the anchor clamp. Even in the case where the outer peripheral surface of the optical cable comes to have electrical conductivity with use for a long term, dry band arcing due to the electric field around the outer peripheral surface of the optical cable is reduced or prevented, thereby preventing the optical cable from being deteriorated in electrical insulation performance or being burned.

REFERENCES:
patent: 4821138 (1989-04-01), Nakano et al.
patent: 5526457 (1996-06-01), Rowland et al.

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