Flame resistant optical fiber cable with optical fibers loosely

Details Flame resistant optical fiber cable with optical fibers loosely Flame resistant optical fiber cable with optical fibers loosely

1993-07-16

1995-02-14

Bovernick, Rodney B.

Optical waveguides

Optical transmission cable

Loose tube type

385113, G02B 644

Patent

active

053902734

ABSTRACT:
An optical fiber cable which is flame resistant and suitable for both indoor and outdoor use, which includes a central strength member, a fluid impervious tube wound around the strength member, a plurality of optical fibers loosely received in the tube, a sheath of plastic material encircling the tube and the central member, a thermal barrier layer intermediate the tube and the sheath and encircling the tube and the central member to protect the elements inwardly of the heat barrier from heat and flame external to the barrier layer and a water blocking material in any otherwise empty spaces within the tube and between the barrier layer and the tube.

REFERENCES:
patent: 4711523 (1987-12-01), Iri et al.
patent: 4859024 (1989-08-01), Rahman
patent: 5140664 (1992-08-01), Bosisio et al.

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