Device and Method for Repairing Pipe

摘要

A liner tube is provided for repairing either a single pipe line or a main pipe line having a lateral pipe line connected thereto. The liner tube assembly includes a liner tube impregnated with a liquid material capable of curing and hardening. The liner tube includes a gasket or band positioned about the juncture of the pipe lines. The gasket or bands form a tight seal between the liner tube and the pipe line.

主权项

1. An apparatus for repairing a main pipe line a lateral pipe line connected thereto and in communication therewith to form a pipe juncture, the apparatus comprising:
a bladder assembly comprising a main bladder tube and a lateral bladder tube in communication with one another through a bladder tube juncture; a liner assembly comprising a main liner member and a lateral liner tube of resin absorbent material in communication with one another through a liner juncture; the lateral bladder tube and the lateral liner tube being adapted to extend within the lateral pipe line with the lateral bladder tube being inside the lateral liner tube and the lateral liner tube being between the lateral pipe line and the lateral bladder tube; the main bladder tube and the main liner member being adapted to extend within the main pipe line at the pipe juncture with the main liner member being between the main pipe line and the main bladder tube; and a single band of an impermeable material disposed on the outside of the main liner member and surrounding the liner juncture, the band forming a seal between the liner assembly and main pipe line around the pipe juncture.