HOW TO REPLACE THE DEFECTIVE SECTION OF THE MAIN PIPELINE Russian patent published in 2016 - IPC F16L1/24 

FIELD: processes.

SUBSTANCE: in the process cut the defective pipe section to form in the pit in pipes of various length. One end of the repair "coil" is equipped with a bell, still connected to it by a metal sleeve. Diameter of the inner sealing lip of the cuff is equal to the diameter of the metallic outer surface of the pipe conduit and the diameter of its outer sealing lip at least 10 mm than the diameter of the inner surface of the socket. Installation repair "reel" is made on the deployment of its socket short-length pipe pipeline. Opposite end of the repair, "coil" is centered with the end of the movable pipe long-length pipeline via the cradle, connected to the lifting mechanism, and sealed. In the socket of repair "coil" by simultaneous twisting tightening screws detachable mounting device pressed metal cuff, placed on short-length pipe pipeline. Metal sleeve welded to the pipe and tube short-length bell repair "coil".

EFFECT: invention can be used in the repair of pipeline with the replacement of the defective area.

1 cl, 6 dwg