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Title:
OPTICAL FIBER CABLE
Document Type and Number:
WIPO Patent Application WO/2018/025814
Kind Code:
A1
Abstract:
The optical fiber cable according to the present invention is provided with a core in which a plurality of optical fibers are gathered, an inside sheath for accommodating the core therein, a filament body embedded in the inside sheath, a pair of tension members embedded in the inside sheath with the core therebetween, a reinforcing sheet for covering the inside sheath and the filament body, and an outside sheath for covering the reinforcing sheet, the expressions ti < Ti and to < To being satisfied, where ti is the thickness of a portion of the inside sheath on the inside in the radial direction of the filament body, Ti is the thickness of a portion of the inside sheath on the inside of the pair of tension members in the radial direction, to is the thickness of a portion of the inside sheath on the outside of the filament body in the radial direction, and To is the thickness of a portion of the inside sheath on the outside of the pair of tension members in the radial direction.

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Inventors:
ISAJI MIZUKI (JP)
OHNO MASATOSHI (JP)
SATO SHINNOSUKE (JP)
TOMIKAWA KOUJI (JP)
NAMAZUE AKIRA (JP)
OSATO KEN (JP)
NAKAGAWA NAOKI (JP)
AOYAGI YUJI (JP)
TETSUTANI SHIGEKATSU (JP)
Application Number:
PCT/JP2017/027736
Publication Date:
February 08, 2018
Filing Date:
July 31, 2017
Export Citation:
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Assignee:
FUJIKURA LTD (JP)
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G02B6/44
Foreign References:
JP2007011020A2007-01-18
JP2009198701A2009-09-03
JPH01257806A1989-10-13
JP2009237341A2009-10-15
JP2001343569A2001-12-14
JP2003322782A2003-11-14
JP2006133686A2006-05-25
JP2012155230A2012-08-16
US20140099062A12014-04-10
US20030118295A12003-06-26
Other References:
See also references of EP 3495863A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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