Means and Method for Lining a Pipe

摘要

A method and means for repairing the junction of a main and lateral pipe are provided. A repair assembly includes a launcher device, a bladder assembly surrounding the launcher device, and a liner assembly surrounding the bladder assembly. The bladder assembly is frangibly connected to the launcher device to maintain the position of the bladder assembly relative to the launcher device during transport and positioning of the assembly. Likewise, the liner assembly, which includes main and lateral liner members, is frangibly connected to the bladder assembly. The frangible connections allow the position of the repair assembly to be maintained. The frangible connections can be broken, such as by inflation and/or tearing or pulling apart of the components of the repair assembly. Thus, the invention provides a way to mitigate the movement of components of the repair assembly during transport and positioning of the repair assembly.

主权项

1. A repair assembly for repairing the junction of a main and lateral pipe, comprising:
a launcher device; a bladder assembly at least partially surrounding the launcher device and comprising a main bladder tube and a lateral bladder tube extending from a main bladder tube opening; a liner assembly comprising a main liner member at least partially surrounding the main bladder tube and a lateral liner tube extending from a main liner member opening to form a liner juncture; wherein the bladder assembly is frangibly connected to the launcher device and the liner assembly is frangibly connected to the bladder assembly to aid in maintaining the position of the bladder and liner assemblies during transport and inflation.