Removable small proximity reversal device and water supply piping non-extractive repair regeneration devices equipped with them and water supply piping non-extractive repair regeneration methods using them

摘要

In the present invention, a pipe joint 13 connected to the underground pipe 1 is formed on one side while one end of the tube liner 2 is fixed, and the liner entry part 14 into which a tube liner disposed on the ground is inserted on the other side. ) is formed inverted sphere body 10; an injection port 20 formed to communicate with the inside of the inverted bulb body and configured to supply high-temperature steam for inversion of the tube liner connected to the inverted bulb body to the inverted bulb body; a packing mounted on the liner entry part of the inverted bulb body to allow the tube liner to be inserted into the inverted bulb body and seal the liner entry part; And when the diameter of the pipe joint and the underground pipe are different from each other, it is interposed between the pipe joint and the underground pipe to compensate for the step difference and to connect the step compensating part.