Title:
OPTICAL FIBER UNIT, OPTICAL FIBER CABLE, AND MANUFACTURING METHOD OF OPTICAL FIBER UNIT
Document Type and Number:
Japanese Patent JP2015108756
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To enable a specific coated optical fiber to be easily identified from multiple coated optical fibers.SOLUTION: An optical fiber unit 20 is configured such that multiple coated optical fiber tapes 10, each of which has multiple coated optical fibers arranged in parallel in a row and the adjacent coated optical fibers intermittently coupled to each other by coupling portions and non-coupling portions in a longitudinal direction, are tied in a bundle. The coated optical fiber tapes 10 are intermittently provided with color bands 5 in the longitudinal direction, and either or both of an interval and a color of the color bands 5 are different from each other in the multiple coated optical fiber tapes 10.
Inventors:
SATO FUMIAKI
MIYANO HIROSHI
TAKAMI MASAKAZU
YAMAMOTO KEIGO
HAMAGUCHI MASAYA
NAKAGAWA NAOKI
YAMADA YUSUKE
NAKANE HISAAKI
MIYANO HIROSHI
TAKAMI MASAKAZU
YAMAMOTO KEIGO
HAMAGUCHI MASAYA
NAKAGAWA NAOKI
YAMADA YUSUKE
NAKANE HISAAKI
Application Number:
JP2013251974A
Publication Date:
June 11, 2015
Filing Date:
December 05, 2013
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES
NIPPON TELEGRAPH & TELEPHONE
NIPPON TELEGRAPH & TELEPHONE
International Classes:
G02B6/44
Domestic Patent References:
| JP2010286735A | 2010-12-24 | |||
| JP2012027130A | 2012-02-09 | |||
| JP2007178883A | 2007-07-12 | |||
| JP2013097350A | 2013-05-20 | |||
| JP2009163045A | 2009-07-23 |
Foreign References:
| US20050013573A1 | 2005-01-20 |
Attorney, Agent or Firm:
Hiroyuki Okada
Kenji Tsuboi
Kenichiro Sano
Kenji Tsuboi
Kenichiro Sano