| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a device and method for repairing a buried pipe that repair deformation of the buried pipe, in response to calculated deformation, curvature, bending, and the like of the buried pipe, without digging up the buried pipe or a worker entering the inside of the buried pipe. <P>SOLUTION: The device 1 for repairing the buried pipe includes: a body 3 which is movable in the buried pipe 2 buried in the ground; a boring unit 4 which bores a first through-hole 7 at a predetermined position and a second through-hole 8 at a position different from that of the first through-hole 7, within a repairing region of the buried pipe 2; a removing unit 5 which removes the earth and sand of the periphery of the first through-hole 7 corresponding to the external of the buried pipe 2, through the first through-hole 7; and an injecting unit 6 which injects an expanding agent to the periphery of the second through-hole 8 corresponding to the external of the buried pipe 2, through the second through-hole 8. <P>COPYRIGHT: (C)2012,JPO&INPIT |
