| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent a cable from hanging down at a repair part. SOLUTION: At the time of repairing a damaged sewage pipe 14, a part including the damaged part of the sewage pipe 14 is cut and eliminated, and in the state of a cable 12 being hooked to hooks 28, a repair pipe 10 with a first pipe member 20 and a second pipe member 22 jointed is set to the eliminated part. A joint part between the first pipe member 20 and the second pipe member 22, and a joint part between the repair pipe 10 and the remaining pipe 14 is covered with a half split short pipe 16, and the short pipe 16 is fixed by iron steel 34.</p> |
