| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To dispense with laborhour and manpower for fitting a sealring and greatly improve the workability and further prevent occurrence of seal troubles between a sleeve and a flexible pipe. <P>SOLUTION: The sleeve 3 is forced to penetrate a building foundation 2. The flexible pipe 4 in which a joint socket 5 is mounted to both upstream and downstream ends is inserted in the sleeve 3. The indoor upstream side of the flexible pipe 4 is connected to the internal drainage pipe 7 from the indoor drainage equipment through or not through a manifold drainage pit. The external drainage pipe 8 from the outdoor drainage equipment is connected to the joint socket 5 mounted to the downstream end of the flexible pipe 4 and projected, in the downstream side of the flexible pipe 4 to provide the drainage pipe line structure 1. <P>COPYRIGHT: (C)2004,JPO</p> |
