Gas-blocked optical fiber cable unit

Electricity: conductors and insulators – Feedthrough or bushing – Compression

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350 9634, 174 25G, 174 26G, 174 70R, 174110S, 174118, 2523132, 2523156, 523173, 524847, 524862, G02B 644, H01B 702, B01J 1300, H02G 1500

Patent

active

047550201

ABSTRACT:
An optical fiber cable unit in which an elongated optical fiber is telescoped into an outer jacket such that an annular space is defined between the fiber and the jacket. The space is filled with a polyorganosiloxane "grease" having extremely good thixotropic properties which cause the material to establish a gas-tight seal between the fiber and the jacket while allowing the fiber to float freely within the jacket to avoid elongation of the fiber when tension is applied to the cable.

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patent: 4312565 (1982-01-01), Oestreich et al.
patent: 4331379 (1982-05-01), Oestreich et al.
patent: 4461736 (1984-07-01), Takagi
patent: 4463118 (1984-07-01), Evans et al.
patent: 4684213 (1987-08-01), Ishihara et al.
patent: 4701016 (1987-10-01), Gartside, III et al.
patent: 4711523 (1987-12-01), Iri et al.
patent: 4720164 (1988-01-01), Oestreich
Schue, "Colloidal Silicas", Detergents and Specialties, vol. 6, No. 3, 3/69, pp. CT 18-24.

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