OPTICAL FIBER CABLE

OPTICAL FIBER CABLE

It is an object of the present invention to provide an optical fiber cable which can reliably prevent increased transmission loss due to damage of the optical fiber as a result of the egg-laying behavior of cicadas. The cable includes at least an optical fiber 1, tension members 6 and a sheath 3. Th...

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Hauptverfasser: TSUKAMOTO MASAYOSHI, ARAGAKI MASANOBU, NISHIGUCHI MASAKI, IWANO MITSURU, YASUTOMI TETSUYA, RINTSU YOSHIHISA
Format: Patent
Sprache:eng
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OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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creator TSUKAMOTO MASAYOSHI
ARAGAKI MASANOBU
NISHIGUCHI MASAKI
IWANO MITSURU
YASUTOMI TETSUYA
RINTSU YOSHIHISA
description It is an object of the present invention to provide an optical fiber cable which can reliably prevent increased transmission loss due to damage of the optical fiber as a result of the egg-laying behavior of cicadas. The cable includes at least an optical fiber 1, tension members 6 and a sheath 3. The sheath 3 has a shore D hardness of 55 or more and a minimum distance L from a surface of the optical fiber 1 to an outer surface of the sheath 3 of greater than 0.3 mm. Further, in the cable, the surface of sheath 3 has a coefficient of friction of 0.45 or less and the sheath 3 has a shore D hardness of 57 or more. In addition, the cable is made by using a specific flame retardant composition (P) as the sheath material.
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subjects OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
title OPTICAL FIBER CABLE
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