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1. (WO2001002888) OPTICAL FIBER CORD

Pub. No.:    WO/2001/002888    International Application No.:    PCT/JP2000/004267
Publication Date: Fri Jan 12 00:59:59 CET 2001 International Filing Date: Thu Jun 29 01:59:59 CEST 2000
IPC: G02B 6/44
Applicants: THE FURUKAWA ELECTRIC CO., LTD.

NIPPON TELEGRAPH AND TELEPHONE CORPORATION

OKANO ELECTRIC WIRE CO., LTD.

NAKAJIMA, Fuminori

ISHII, Nobuhisa

TACHIKURA, Masao

URUNO, Shigenori

IZUMITA, Hisashi

ISHIMARU, Hitoshi

YAMAGUCHI, Kuniaki

Inventors: NAKAJIMA, Fuminori

ISHII, Nobuhisa

TACHIKURA, Masao

URUNO, Shigenori

IZUMITA, Hisashi

ISHIMARU, Hitoshi

YAMAGUCHI, Kuniaki

Title: OPTICAL FIBER CORD
Abstract:
A single-core optical fiber cord (1) of less than 1.2 mm in cladding diameter includes an optical fiber core (2) covered with plastic, a fiber layer (3) surrounding the optical fiber core and acting as a tension member, and a cladding layer (4) consisting of flame retardant nonhalogen resin. The flame retardance, mechanical properties and handleability of the optical fiber are maintained even though its diameter is below 1.2 mm.