| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide constitution capable of quickly conducting a forming operation for a reclaimed pipe, in a device for providing the reclaimed pipe to have a shape serving also as a function for water-cutting off a connection portion between a burried main pipe and an attaching pipe. SOLUTION: A drilling unit 7, a heating unit 8 and a diameter expanding unit 9 are mounted freely movably on a device base 62 of an attaching pipe aperture forming device 6. The forming device 6 is conveyed into the reclaimed pipe, the respective units 7, 8, 9 are slided, and a drilling process, a heating process and a diameter expanding process are conducted, while opposing in order the drilling unit 7, the heating unit 8 and the diameter expanding unit 9 in a connection position of the attaching pipe, to form an attaching hole aperture and a sleeve in the reclaimed pipe.</p> |
