| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a joint for a cable protective conduit which allows the end positions of inner tubes within mounting pipes to be put in set positions without fail and a specified quantity of expansion and contraction to be secured, and a construction method for a cable protective conduit using this joint. <P>SOLUTION: A step of temporarily fixing a fixing plate 24 having held a plurality of mounting pipes 21 in a preset position in the direction of its end point by a fixing member 28, a step of connecting inner tubes 14 to the mounting pipes 21 and abutting the insertion ends against inner pipe regulating parts 22, a step of connecting a preset number of inner tubes in order to the other ends of the inner tubes connected to the mounting pipes, and a step of releasing the temporary fixation of the fixing plate by the fixing member and shifting the fixing plate in the direction of its starting point while guiding it with a guide member 29 are performed. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
