| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method of connecting a call striae and a communication cable using it, which surely makes incoming of the communication cable when its laying is necessary with a bended guide tube in a thin diameter, and releases back the cable when blocked and stopped, in the call striae inserted in the guide tube serving as an incoming route of the communication cable, arranged inside a main pipe in the underground pipe line and a plurality of branch pipes connected to the main pipe. <P>SOLUTION: The call striae 17, inserted for being replaced with the communication cable 16 into the guide tube 11 laid in the underground pipe line, one end of which leads out and the other end is connected to the communication cable 16. The communication cable 16 is laid in the guide tube 11 by pulling the one end of the call striae. The call striae has a size almost equal to an outside diameter of the communication cable 16 and composed of a round braided object. <P>COPYRIGHT: (C)2004,JPO</p> |
