20090092173 | METHOD FOR MONITORING THE STATE OF A TUBE FOR A COATING IN A SYSTEM OF PIPES OR DUCTS - A method for monitoring a status of a sleeve for lining a system of pipes or conduits, the sleeve being impregnated with a curable resin, includes the steps of providing the sleeve, disposing at least one fiber optic sensor in thermally conductive contact with the sleeve, and generating, using the at least one fiber optic sensor, a positionally resolved thermographic image representative of a temperature of the sleeve as a function of position and time | 04-09-2009 |