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US 6,785,452 B2Granted
Fiber optic cable with cushioning member
AssigneeFurukawa Electric Co., Ltd.
InventorTetsuya Yasutomi
Life of this patent
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Abstract
An optical fiber cable that has a cable core formed by covering an external circumference of a coated optical fiber or a collective coated optical fiber with a cushioning member, a tension member, and a thermoplastic resin sheath for collectively covering the cable core and the tension member, wherein the cushioning member contains a blended fiber composed of a non-water absorbent fiber and a water absorbent fiber.
Claims7
An optical fiber cable which comprises:
- a cable core formed by covering an external circumference of a coated optical fiber or a collective coated optical fiber with a cushioning member;
- a tension member;
- and
- a thermoplastic resin sheath that collectively covers said cable core and said tension member, wherein
- said cushioning member comprises a blended fiber composed of a first non-water absorbent fiber and a water absorbent fiber, and
- a degree of heat shrinkage of the cushioning member when said cushioning member is held at a temperature of 130° C. for 30 minutes, is 0.8% or less.
3 more elements
Dependencies are inferred from the claim text.