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1. 发明专利

JPH06201956A OPTICAL FIBER CABLE 失效
公开(公告)号：JPH06201956A
公开(公告)日：1994-07-22
申请号：JP35937192
申请日：1992-12-25
申请人： SUMITOMO ELECTRIC INDUSTRIES , NIPPON TELEGRAPH & TELEPHONE
发明人： SAOTOME HIROYUKI , SAKATA YASUO , MATSUO TOSHINOBU , SATANI HIROSHI , UESUGI MIKIHIRO , KIYOSUE SHUSUKE
IPC分类号： G02B6/44
摘要： PURPOSE:To provide the optical fiber cable having a small diameter, high density, excellent transmission characteristic and high reliability by providing a coated optical fiber ribbon with a protective film, arranging tensile bodies on the same plane of the coated optical fiber ribbon and applying an external coating later integrally on the fiber ribbon and the tensile bodies. CONSTITUTION:This optical fiber cable is constituted by arranging the tensile bodies 3 consisting of steel wires, etc., in parallel apart a spacing on the same plane as the coated optical fiber ribbon 1 on both-sides of the coated fibers having a resin protective layer 2 consisting of a resin such as polyamide resin or BPT having >=50kgf/mm tensile strength formed on the outer periphery of the coated optical fiber ribbon 1 and integrally applying the external coating layer 4 of polyethylene, vinyl chloride, etc., on the coated fibers and the tensile bodies, respectively. The optical fiber cable may be otherwise constituted by arranging two lines of the coated fibers applied with the resin protective layers 2 on the outer peripheries of the coated optical fiber ribbons 1 in parallel keeping a space on the same plane, positioning the tensile body 3 between the respective coated fibers and integrally applying the external coating layer of an elliptic shape on these coated fibers and the tensile body.

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