1974-05-10
1980-01-29
Levy, Stewart J.
G02B 516
Patent
active
041858875
ABSTRACT:
An optical fiber band comprising an optical fiber intermediate and equi-distant from a pair of metal wires, each having substantially the same temperature coefficient of expansion as the optical fiber, embedded in a synthetic thermoplastic material and cables formed therewith. In one embodiment of a cable, a plurality of bands are bunched together and surrounded by a thermoplastic sheath. In another embodiment, a plurality of bands are disposed in side-by-side relation and preferably, secured together and a plurality of such bands are wound helically in successive layers around a supporting core, such as wire rope, and are covered by a thermoplastic sheath. Also, processes for forming the bands by extruding the thermoplastic over the fiber and wires or by sealing the fiber and wires between a pair of thermoplastic films.
REFERENCES:
patent: 3265480 (1966-08-01), Hicks, Jr.
patent: 3660590 (1972-05-01), Conant
patent: 3740116 (1973-06-01), Andrews, Jr.
patent: 3766307 (1973-10-01), Andrews, Jr.
patent: 3887265 (1975-06-01), Margolis et al.
Industrie Pirelli Societa per Azioni
Levy Stewart J.
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