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Patent Searching and Data


Title:
OPTICAL FIBER CABLE, METHOD FOR MANUFACTURING OPTICAL FIBER CABLE, AND MANUFACTURING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/047305
Kind Code:
A1
Abstract:
An optical fiber cable includes: a core grouping a plurality of units that groups a plurality of optical fibers; a pair of strengthening members arranged opposite each other with the core sandwiched therebetween; and an exterior jacket for collectively covering the core and the pair of strengthening members. The unit is twisted to form a plurality of layers. The plurality of layers includes a first layer having an SZ twisted unit and a second layer having an SZ twisted unit. The first layer and the second layer have mutually opposite twisting directions in at least a portion along the length direction of the cable.

Inventors:
ITO Naoto (Sakura Works 1440, Mutsuzaki, Sakura-sh, Chiba 50, 〒2858550, JP)
OSATO Ken (Sakura Works 1440, Mutsuzaki, Sakura-sh, Chiba 50, 〒2858550, JP)
YAMANAKA Masayoshi (Sakura Works 1440, Mutsuzaki, Sakura-sh, Chiba 50, 〒2858550, JP)
OKADA Naoki (Sakura Works 1440, Mutsuzaki, Sakura-sh, Chiba 50, 〒2858550, JP)
Application Number:
JP2016/073723
Publication Date:
March 23, 2017
Filing Date:
August 12, 2016
Export Citation:
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Assignee:
FUJIKURA LTD. (5-1 Kiba 1-chome, Koto-ku Tokyo, 12, 〒1358512, JP)
International Classes:
G02B6/44
Foreign References:
JP2013186286A2013-09-19
JPS523654Y11977-01-26
JP4307314B22009-08-05
JPS6033714U1985-03-07
JP5568071B22014-08-06
Other References:
See also references of EP 3185059A4
Attorney, Agent or Firm:
SHIGA Masatake et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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