Patent ID: 7918626

Claim:
A pipe bursting and replacement tool comprising: a body having a shape that tapers from a smaller diameter at a front end to a larger diameter at a rear end; a first plurality of fins that are positioned on a plurality of sides of the body and extend along a direction from the front end of the body to the rear end of the body and extend radially outward from the body to a diameter sufficient to burst a pipe; a first connector configured to couple a pulling rod to the body and configured to enable misalignment between the body and the rod; a second plurality of fins positioned at the front end of the body and configured to couple the first connector to the body; a threaded second connector; a threaded second rod attached to the second connector; and a coupling attached to a rear end of the second rod, wherein the coupling is configured to be positioned behind a replacement pipe, thereby coupling the replacement pipe to the body, whereby the replacement pipe is pulled behind the body into a volume previously occupied by an old pipe.