| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a device which guarantees recycling and is simple in constitution. SOLUTION: This pipe connecting device has a main body provided in such a way as to be freely attached to and removed from the outer surface of the end of a first pipe 30 and sunk into an excavated trench from above the ground and having a cylinder 4 running along the direction of the axis of the pipe, and has a connection 6 at which the part of the main body moved by operation of the cylinder 4 is connected to the outer surface of the corresponding end of a second pipe 20, and, while the main body having the cylinder 4 that runs along the direction of the axis of the pipe is connected to the second pipe 20 via the connection 6, the first and second pipes 30, 20 are connected together by operation of the cylinder 4.</p> |
