| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a branch joint for a repair pipe which keeps small the diameter of an insertion-through hole to be bored in the repair pipe and at the same time can be executed easily. <P>SOLUTION: The branch joint is configured so that a saddle portion 12 can be deformed or disassembled in magnitude or shape which can be inserted from exterior to interior of the repair pipe 1 through the insertion-through hole 4 and furthermore can be restored or assembled in magnitude or shape which can cover the insertion-through hole 4 in interior of the repair pipe 1. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
