INTERMITTENTLY JOINED OPTICAL FIBER RIBBON AND OPTICAL CABLE

Title:

INTERMITTENTLY JOINED OPTICAL FIBER RIBBON AND OPTICAL CABLE

Document Type and Number:

WIPO Patent Application WO/2017/122665

Kind Code:

A1

Abstract:

Provided is an intermittently joined optical fiber ribbon in which joined sections and non-joined sections are provided intermittently along a lengthwise direction, the joined sections being sections where a plurality of coated optical fibers are disposed in parallel to each other and are covered with joining resin such that neighboring coated optical fibers are joined with each other, and the non-joined sections being sections where neighboring coated optical fibers are not joined with each other, and in which non-joined sections are not provided along the lengthwise direction for at least some pairs of coated optical fibers, wherein the joined sections are recessed, and c / a ≥ 1.5, b ≤ 50 mm, and (c / a) × p ≥ 200 mm, where a signifies the length of each joined section along the lengthwise direction, b signifies the length of a section where non-joined sections for different pairs of coated optical fibers overlap each other along the lengthwise direction, c signifies the length of each non-joined section along the lengthwise direction, and p signifies the pitch of joined sections along the lengthwise direction.

Inventors:

SATO FUMIAKI (JP)
TSUCHIYA KENTA (JP)
OKADA KEISUKE (JP)
NAGAO YOSHIAKI (JP)
SUZUKI NOBUYUKI (JP)

Application Number:

PCT/JP2017/000604

Publication Date:

July 20, 2017

Filing Date:

January 11, 2017

Export Citation:

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Assignee:

SUMITOMO ELECTRIC INDUSTRIES (JP)

International Classes:

G02B6/44

Domestic Patent References:

WO2012131811A1

2012-10-04

Foreign References:

JP2012088445A	2012-05-10
JP2012208363A	2012-10-25
JP2010008923A	2010-01-14
JP2014228688A	2014-12-08
JP2015004778A	2015-01-08
US20030118301A1	2003-06-26

Other References: