Patent ID: 7819435

Claim:
A rehabilitating pipe for rehabilitating an existing pipe, the rehabilitating pipe comprising: a plurality of pipe units that are mutually coupled in a longitudinal direction of the existing pipe to assemble the rehabilitating pipe, each of the pipe units comprising a plurality of segments that are mutually coupled in a circumferential direction of the existing pipe to form the pipe unit, each of the segments having an inner-surface plate and an outer-wall plate extending vertically from and around an entire perimeter of the inner-surface plate, the outer-wall plate having a plurality of lateral plates extending along a longitudinal direction of the inner-surface plate and a plurality of end plates connected between the respective lateral plates; a plurality of connecting members that couple the segments together in the circumferential direction to assemble the pipe unit; and a restraining member that is attached to and encircles an outer circumference of the assembled pipe unit to restrain the pipe unit.