Optical fiber cable containing ribbons in stranded tubes

Optical waveguides – Optical transmission cable – Loose tube type

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G02B 644

Patent

active

056218419

ABSTRACT:
An optical fiber cable includes a central strength member, a plurality of optical ribbon-carrying tubes stranded around the central strength member in an alternating hand helix, and water-swellable yarns disposed in interstices between adjacent tubes. Pairs of electrical conductors may also be disposed in such interstices. A water-swellable tape is wrapped without substantial lay around the central strength member.

REFERENCES:
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patent: 4657342 (1987-04-01), Baiier
patent: 4909592 (1990-03-01), Arroyo et al.
patent: 5133034 (1992-07-01), Arroyo et al.
patent: 5229851 (1993-07-01), Rahman
patent: 5343549 (1994-08-01), Nave et al.
patent: 5390273 (1995-02-01), Rahman et al.
patent: 5531064 (1996-07-01), Sawano et al.
Siecor Corporation publication S/OC Rev. 5A, published 1985.
1988 IWCS pp. 305-314, "Fiber-Optic Cable for Shipboard Systems."

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