Patent ID: 11953139
Assignee: PERMA-LINER INDUSTRIES, LLC
Field: Other special machines (Mechanical engineering)
Classification: CPC F  B  G | IPC B  F

Claim 5:
6. The method of claim 1 wherein the light curing activator comprises a plurality of lights on a lighting circuit strip wound around a flexible hollow tube and positioned inside a water tight sleeve, wherein the flexible hollow tube is positioned within a translucent and flexible bladder having an inflated position and a deflated position, and wherein the lighting circuit strip wound around the flexible hollow tube has a first length and the translucent and flexible bladder has a second length, the first length being longer than the second length;
inflating the translucent and flexible bladder to the inflated position so the plurality of lights expand within the translucent and flexible bladder in a spiral configuration toward the inside wall surface of the hollow conduit.