Patent ID: 8277147

Claim:
A method of replacing an existing pipe, including the steps of: {i} locating the ends of the existing pipe to be replaced; {ii} opening the ends of the existing pipe to define a first end and a second end; {iii} connecting a cable to a component at the second end, the component also being connected to a replacement pipe; {iv} passing the cable along the existing pipe; {v} injecting a settable fluid into the existing pipe, and allowing the settable fluid to set, after the cable has been passed along the existing pipe, the settable fluid setting into a non-rigid material; and {vi} pulling the cable from the first end; wherein the component is adapted to engage the second end of the existing pipe, and wherein the step of pulling the cable from the first end acts to remove the existing pipe, the force provided by pulling the cable from the first end being the only force acting to remove the existing pipe.