Optical fiber cable having non-metallic sheath system

Details Optical fiber cable having non-metallic sheath system Optical fiber cable having non-metallic sheath system

1986-05-28

1988-05-10

Sikes, William L.

350 9610, G02B 644

Patent

active

047430850

ABSTRACT:
An optical fiber cable (20) includes a core (22) comprising at least one optical fiber (23) which is enclosed in a tubular member (28) and which includes a non-metallic sheath system (30). The sheath system includes two contiguous layers (40, 50) of non-metallic strength members which extend longitudinally along the cable and which are wrapped helically in opposite directions about the tubular member. The layers of strength members are enclosed in a plastic jacket (36). At least some of the strength members which are capable of withstanding expected compressive as well as tensile loading are coupled sufficiently to the jacket to provide a composite arrangement which is effective to inhibit contraction. Those strength members cooperate with the remaining strength members to provide the cable with a predetermined tensile stiffness and to cause the cable to be relatively flexible.

REFERENCES:
patent: 4146302 (1979-03-01), Jachimowicz
patent: 4169657 (1979-10-01), Bedard
patent: 4241979 (1980-12-01), Gagen et al.
patent: 4330173 (1982-05-01), Oestreich
patent: 4331378 (1982-05-01), Hartig
patent: 4342500 (1982-08-01), Oestreich et al.
patent: 4374608 (1983-02-01), Anderson
patent: 4557560 (1985-12-01), Bohannon, Jr. et al.
D. J. Klassen article entitled Glass Filament Tapes for Fiber Optic Cables dated 10/84.

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