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US 11,307,370 B2Granted
Optical fiber unit and optical fiber cable
AssigneeSumitomo Electric Industries, Ltd.
InventorsFumiaki Sato, Kuushin Ryan, Yoshiaki Nagao
Life of this patent
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Abstract
An optical fiber unit includes: an assembly in which a plurality of optical fiber ribbons in which a plurality of optical fibers are disposed in parallel are assembled; and a coating for covering the periphery of the assembly in a state of having a space inside. The coating is interrupted at a part in a circumferential direction of the optical fiber unit, and an opening part is formed.
Claims7
An optical fiber unit, comprising:
- an assembly in which a plurality of optical fiber ribbons in which a plurality of optical fibers are disposed in parallel are assembled;
- and
- a coating for covering the periphery of the assembly in a state of having a space inside, wherein
- Young's modulus of the coating is 400 MPa or less, and
- the coating is interrupted at a part in a circumferential direction of the optical fiber unit, and an opening part is formed.
2 more elements
An optical fiber unit, comprising:
- an assembly in which a plurality of optical fiber ribbons in which a plurality of optical fibers are disposed in parallel are assembled;
- a coating for covering the periphery of the assembly in a state of having a space inside;
- and
- a bundle wound around the coating, wherein
- the coating is interrupted at a part in a circumferential direction of the optical fiber unit, and an opening part is formed.
2 more elements
Dependencies are inferred from the claim text.