Patent ID: 7448413

Claim:
A method of making a cured-in-place pipe repair to a pipe having an area needing repair, with an access bore in communication with the pipe, the method comprising: taking an elongated bladder tube having a first bladder end and a second bladder end; placing an elongated liner tube within the bladder tube, the liner tube having first and second liner tube ends; removably attaching the liner tube; impregnating the liner tube with an uncured resin; inverting the bladder tube into the access bore with the liner tube remaining there and into the pipe to a position wherein the liner tube is on the outside of the bladder tube and is positioned adjacent the area of the pipe needing repair and does not block the pipe; permitting the uncured resin to cure and harden; and removing the bladder tube from the liner tube and the access bore to leave the liner tube cured in place within the pipe in a position which does not block the pipe.