Machine for removing subterranean pipes comprises conical bursting head with central channel, through which cable can be passed which is used to remove the pipe, head consisting of two half shells

摘要

The machine for removing subterranean pipes comprises a conical bursting head (4) with a central channel (6), through which a cable (8) can be passed which is used to remove the pipe. This consists of two half shells (41, 42). Independent claims are included for: (a) the bursting head; and (b) a method for removing subterranean pipes.