Optical cable

Details Optical cable Optical cable

1993-03-25

1994-03-15

Ullah, Akm E.

Optical waveguides

Optical transmission cable

Loose tube type

G02B 636

Patent

active

052952150

ABSTRACT:
An optical cable with a loosely contained optical fiber which is inside a weak walled sheath together with water swellable powder. The sheath is surrounded by grease or gel. If the powder contacts water within the sheath, it expands, splits the sheath, and displaces the grease into the sheath to surround the fiber. Hence although grease is employed immediately around the fiber as a water block, under installation procedures the fiber surface is not contaminated with grease.

REFERENCES:
patent: 4701015 (1987-10-01), Saito et al.
patent: 4701016 (1987-10-01), Gartside, III et al.
patent: 5109457 (1992-04-01), Panuska et al.
patent: 5157752 (1992-10-01), Greveling et al.
patent: 5243675 (1993-09-01), Kathiresan et al.

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