| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a conduit line inner periphery side structure that prevents such damages as wear and break of an optical fiber. <P>SOLUTION: The conduit line inner periphery side structure 10, in which an inner periphery of an extended conduit line 20 buried in the ground is lined with a resin-penetrated lining material 11, includes: the optical fiber 12 extended in an extended direction of the conduit line 20 between the lining material 11 and the inner periphery of the conduit line 20; and a protection member 13 extended in an extended direction of the conduit line 20 between the optical fiber 12 and the inner periphery of the conduit line 20. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
