Method and apparatus for point-repair of sewer and other utility lines

摘要: The present invention is directed to a method and apparatus for making point-repairs in sewer other utility lines. involves positioning section of polyolefin, preferably polyethylene, pipe by drawing or pulling it into through the undamaged portion damaged line requiring repair fixing securing from surface polyolefin place. also point-repair collapsible heads insertion tool assisting which includes place where required collapsing removing them cable line.