Reinforced protective tube for optical waveguide fibers

Details Reinforced protective tube for optical waveguide fibers Reinforced protective tube for optical waveguide fibers

1990-11-08

1993-04-06

Lee, John D.

Optical waveguides

Optical transmission cable

Loose tube type

385109, G02B 644

Patent

active

052010201

ABSTRACT:
Reinforced protective tubes for optical waveguide fibers are provided. The tubes include an inner layer of a polyester elastomer, an outer layer of a polyvinyl chloride polymer, and two longitudinal reinforcing members composed of aramid fibers. The tubes have low thermal expansion, an outside diameter of less than about 1,000 microns, and can be used to form the pigtails of optical waveguide couplers. Methods for producing the protective tubes in which the reinforcing members and the plastic layers are coated onto a removable core member are also disclosed.

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Siecor Fiber Optic Catalog 1988-1989, pp. 1.2, 1.3, and 1.20, 1988.

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