| 摘要 |
<p>PURPOSE:To provide a branching pipe to a customer capable of preventing increasing of a construction interval and a construction period of a line branching and preventing traffic obstacle due to this construction. CONSTITUTION:A branching hole 11 is closed by screwing a lid member 17 on an adapter inserted in the branching hole 11 from inner side of a pipe body 7 and is arranged in a middle of a pipe line and placed in ground. When a branching to the pipe line is provided, the lid member 17 is screwed off the pipe body 7 along a digging hole from surface ground side mounted to a placed branching hole 11 of the pipe body 7. A branching short pipe 20 is pulled down along the digging hole instead of the lid member 17 and it is screwed on an adapter 14 and the lid member 17 is replaced by the branching short pipe 20 and the pipe line is branched.</p> |
