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US 12,687,688 B2Granted
Optical fiber cable
AssigneeFujikura Ltd.
InventorsOkimi Mukai, Ken Osato, Akira Namazue
Life of this patent
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Abstract
An optical fiber cable includes optical fibers, a wrapping tube that wraps around the optical fibers and contacts outermost ones of the optical fibers, and a sheath that covers the wrapping tube and has recesses on an inner circumferential surface of the sheath. The recesses are recessed toward a radially outer side of the optical fiber cable such that a space exists between the wrapping tube and the sheath in each of the recesses.
Claims11
An optical fiber cable comprising:
- optical fibers;
- a wrapping tube that wraps around the optical fibers and contacts outermost ones of the optical fibers;
- and
- a sheath that covers the wrapping tube and has recesses on an inner circumferential surface of the sheath, wherein
- the recesses are recessed toward a radially outer side of the optical fiber cable such that a space exists between the wrapping tube and the sheath in each of the recesses, and
- each of the recesses is configured to receive a different one of the optical fibers when the sheath shrinks.
3 more elements
Dependencies are inferred from the claim text.