STRAND FOR COMBINING INTO OPTICAL FIBER UNIT

Title:

STRAND FOR COMBINING INTO OPTICAL FIBER UNIT

Document Type and Number:

WIPO Patent Application WO/2014/024720

Kind Code:

A1

Abstract:

The present invention provides a strand for combining into an optical fiber unit, the strand comprising a flat sea-island type colored composite strand, wherein (1) the sea component of the flat sea-island type colored composite strand has a melting initiation temperature of 100ºC or higher and a melting peak temperature of 120-150ºC, (2) the flat sea-island type colored composite strand has a width of 0.5-3.0 mm and a thickness of 0.15 mm or less, and (3) the flat sea-island type colored composite strand has a degree of thermal shrinkage through 3-hour heating at 100ºC of 1.0% or less. The strand has improved coloration, enables the optical fiber cores to retain the shape thereof, and does not press the optical fiber cores. The strand does not stick to adjoining combining strands or optical fiber cores.

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Inventors:

TANI NAOSUKE (JP)
KATO YASUSHI (JP)
OKADA NAOKI (JP)
SHIOBARA SATORU (JP)
OHNO MASASHI (JP)

Application Number:

PCT/JP2013/070501

Publication Date:

February 13, 2014

Filing Date:

July 29, 2013

Export Citation:

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Assignee:

UBE EXSYMO CO LTD (JP)
FUJIKURA LTD (JP)

International Classes:

G02B6/44; G02B6/04

Foreign References:

JP2007010917A	2007-01-18
JP2002180330A	2002-06-26
JP2013037253A	2013-02-21
JPH0949950A	1997-02-18
JP2007233252A	2007-09-13

Other References: