| 摘要 |
PROBLEM TO BE SOLVED: To provide a communication cable capable of manufacturing at a low cost while keeping properties required for the cable such as weathering ability while having a color that does not impair the landscape of a land where a cable is laid. SOLUTION: A communication cable is formed by covering a cable core 1 doubly with an inner layer sheath 2 and on it with an outer layer sheath 3, wherein the inner sheath 2 is made of a resin material excellent in weatherproof, and the outer sheath 3 is made of a resin material colored at users' option. COPYRIGHT: (C)2004,JPO
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