Optical cable with extruded peripheral reinforcements

Details Optical cable with extruded peripheral reinforcements Optical cable with extruded peripheral reinforcements

1997-01-17

1999-04-06

Ullah, Akm E.

Optical waveguides

Optical transmission cable

Tightly confined

G02B 644

Patent

active

058928731

ABSTRACT:
An optical cable has a core containing optical fibers, non-metallic peripheral reinforcements to armor the cable and a thermoplastics material outer sheath. It is fabricated by a method including successive steps of applying reinforcements to the core, extruding the sheath over the reinforcements and cooling the cable. The reinforcements are extruded onto the core as it moves through a first extruder. The combination of the core and the reinforcements is then cooled in a first cooling tank. The sheath is extruded in a second extruder downstream of the first, after which the cable is cooled in a second cooling tank downstream of the first.

REFERENCES:
patent: 4082423 (1978-04-01), Glista et al.
patent: 4814133 (1989-03-01), Matsuno et al.
patent: 4876051 (1989-10-01), Campbell et al.
patent: 5182784 (1993-01-01), Hager et al.

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