| CPC G06T 15/06 (2013.01) [B29C 63/36 (2013.01); F16L 55/1651 (2013.01); G06T 1/20 (2013.01); G06T 17/005 (2013.01); B29C 2035/0827 (2013.01); B29C 65/1406 (2013.01); B29C 65/4845 (2013.01); B29C 66/301 (2013.01); B29C 66/5221 (2013.01); B29C 66/612 (2013.01); G06T 2210/12 (2013.01)] | 21 Claims |
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1. A method for repairing a portion of a hollow conduit having a wall, said method comprising:
taking a bladder having a light activator positioned therein, wherein the light activator has a light activator first portion, a light activator second portion, and multiple light source strips wrapped around a flexible member in a spiral configuration, the multiple light source strips include a first light strip positioned at the light activator first portion having a first wiring connection and a second light strip positioned at the light activator second portion having a second wiring connection;
impregnating a liner with a light-activated resin;
forming a repair assembly by positioning the liner on the outside of the bladder;
operatively attaching the light activator to a power hose to provide power to the light activator from an electrical power source;
pushing or pulling the repair assembly into the hollow conduit;
expanding the bladder using fluid pressure to urge the liner toward the wall of the hollow conduit;
activating the first light strip by providing power through the first wiring connection to help initiate curing of the light-activated resin; and
activating the second light strip by providing power through the second wiring connection to help initiate curing of the light-activated resin.
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