| 摘要 |
PROBLEM TO BE SOLVED: To provide a resin pipe leading-in method and a guide pipe enabling easy and safe insertion of a resin pipe into an existing pipe. SOLUTION: The guide pipe 10 preliminarily curbed at a predetermined curvature radius so as to be lower than an obstacle 11 is arranged in the front of the existing pipe 32, and the outlet 16 of the guide pipe 10 is turned to the inlet port 36 side of the existing pipe 32. The resin pipe 14 is arranged above the existing pipe 32 in parallel to the existing pipe 32. One end of a traction wire 44 inserted through the existing pipe 32 and the guide pipe 10 is connected to the end of the resin pipe 14 turned to the inlet port 36 side of the existing pipe 32, and the other end of the traction wire 44 is drawn. COPYRIGHT: (C)2006,JPO&NCIPI
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