Title:
OPTICAL CABLE
Document Type and Number:
WIPO Patent Application WO/2024/029268
Kind Code:
A1
Abstract:
The optical cable according to an embodiment of the present disclosure is for laying thereof in a microduct, the optical cable being provided with an assembly core that accommodates one or more optical fiber cores, and a sheath layer that covers an outer periphery of the assembly core, the density of the sheath layer being 1.0 g/cm3 or less, a main component of the sheath layer being polyethylene, the sheath layer containing silicone, the density of the polyethylene being 0.92 g/cm3 or greater, the weight-average molecular weight of the silicone being 50,000-1,000,000, and the content ratio of the silicone in the sheath layer being 0.5-10 mass%.
Inventors:
FUKUMOTO RYOTA (JP)
YANAGAWA NAYU (JP)
FUJITA TARO (JP)
SATO FUMIAKI (JP)
SUZUKI YOHEI (JP)
YANAGAWA NAYU (JP)
FUJITA TARO (JP)
SATO FUMIAKI (JP)
SUZUKI YOHEI (JP)
Application Number:
PCT/JP2023/025139
Publication Date:
February 08, 2024
Filing Date:
July 06, 2023
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
G02B6/44; G02B6/52
Domestic Patent References:
| WO2020256019A1 | 2020-12-24 | |||
| WO2022030581A1 | 2022-02-10 |
Foreign References:
| JP2002302886A | 2002-10-18 | |||
| JP2013097319A | 2013-05-20 | |||
| US20210003801A1 | 2021-01-07 |
Attorney, Agent or Firm:
MORITA Takeshi et al. (JP)
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