Combination loose tube optical fiber cable with reverse oscillat

Details Combination loose tube optical fiber cable with reverse oscillat Combination loose tube optical fiber cable with reverse oscillat

1997-07-21

1999-05-18

Lee, John D.

Optical waveguides

Optical transmission cable

Loose tube type

385113, G02B6/44

Patent

active

059058340

ABSTRACT:
An optical fiber cable comprises a central tube containing at least one optical fiber, a plurality of outer tubes, each containing at least one optical fiber, and at least two strength members, wherein the outer tubes and strength members are disposed around and in contact with the central tube, the strength members being between intermediate pairs of outer tubes. Preferably, a cord is wound around the outer tubes and strength members to hold them against the outer tube. Preferably, the optical fiber in the central tube is part of an optical fiber ribbon. Preferably, a plurality of individual optical fibers are provided in the outer tubes. The optical fibers are loosely contained within the central and outer tubes. One or several additional tubes containing insulated copper pairs or a coaxial cable may also be provided. Preferably, the cable tubes and the strength members are disposed in a reverse oscillating lay or S-Z fashion around the central tube.

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