Optical fibre transmission cable reinforcement

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G02B 644

Patent

active

047814322

ABSTRACT:
An optical fibre transmission cable has a prestressed reinforcement which has a tensile modulus of (4-6).times.10.sup.6 psi, a flex modulus of (1.0-5.7).times.10.sup.6 psi and a thermal coefficient of linear expansion of approximately 2.8.times.10.sup.-6 /.degree.F. and comprises a glass fibre roving saturated with synthetic resin material and held under tension by the synthetic resin material. The reinforcement and an optical fibre are provided within a synthetic resin material sheathing and the reinforcement provides the required mechanical reinforcement properties without introducing electrically conductive material into the cable. A method of making the reinforcement and the cable is also disclosed.

REFERENCES:
patent: 3883218 (1975-05-01), Slaughter
patent: 3887265 (1975-06-01), Margolis et al.
patent: 4169657 (1979-10-01), Bedard
patent: 4381140 (1983-04-01), van der Hock et al.

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