Method and apparatus for repairing main and lateral pipes

摘要

A method and apparatus for repairing a pipe system including a main pipe extending between a first and second manhole and one or more lateral pipes extending from the main pipe is provided. Aspects of the invention include the use of a main liner member having a plurality of lateral liner tubes in fluid connection and extending from the main liner member. The main liner member is used to line a main pipe, while the multiple lateral liner tubes extend into separate lateral pipes extending in various orientations from the main pipe. This method and apparatus provides for a single assembly to be able to line multiple pipes, which reduces time and cost for pipe repair.

主权项

1. A method of repairing pipes including a main pipe extending between a first and second manhole and one or more lateral pipes extending from the main pipe, the method comprising:
providing a liner assembly comprising a main liner member and one or more lateral liner tubes extending from the main liner member and capable of everting from within the main liner member to a position in one of the one or more lateral pipes; impregnating the liner assembly with a material capable of curing and hardening; everting the main liner member within the main pipe while simultaneously or continuously everting at least one of the one or more lateral liner tubes into one of the one or more lateral pipes; and allowing the material to cure and harden.