The present invention relates to the fountain war of rehabilitation pipes, and to prevent water leakage between the existing pipe and the plastic pipe when installing the fountain warfare in the rehabilitation pipe, and to ensure that the fountain war can be firmly fastened to the rehabilitation pipe. The corrugated rocking washer 20 which slides along the outer circumferential surface of the fallopian tube part 11 to the fountain tube 10 in which the fallopian tube part 11 protrudes into the plastic tube 102 of the tube 100 extends in a circular shape. In order to prevent leakage between the existing pipe 101 and the plastic 102 of the rehabilitation pipe 100, expansion packing 30 of the synthetic material such as urethane, the corrugated locking washer 20 and expansion packing 30 The packing pressurizing portion 40 which is slid by the fixing nut 50 screwed at the outer end of the fountain pipe 10 so as to pressurize, and the screw is coupled to the outer peripheral surface of the packing pressing portion 40 A jaw that locks the washer 20 in close contact with the inner surface of the rehabilitation pipe (100) The water supply pipe coupling portion 70 coupled between the nut 60, the fixing nut 50, and the packing pressurizing portion 40, and the fountain pipe 10 while being screwed to the outer end of the fountain pipe 10. It is composed of a valve 14 for opening and closing the outlet (13) of. As above, installation of water fountain for supplying tap water to each household is easy, and since the plastic pipe is compressed to the existing pipe, water leakage is prevented.After installation, the tap water supplied from the regeneration pipe to the water supply pipe is used to block the tap water. As it is possible to replace and repair the old water pipe.
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