System for inspecting and coating the interior of a pipe
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United States of America Patent
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Oct 25, 2016
Grant Date -
Apr 30, 2015
app pub date -
Oct 30, 2013
filing date -
Oct 30, 2013
priority date (Note) -
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Abstract
A system for evaluating the interior surface and exterior wall conditions of a pipeline while also dynamically installing a repair coating in a pipeline, such as an underground water pipeline. The system is towed into the pipeline and drawn back therethrough. As the system is drawn back, one module in the system evaluates the surface condition of the interior of the pipe and another module evaluates the structural condition of the wall of the pipe. Based on the evaluation data obtained from the two modules an epoxy material is applied to the interior surface of the pipe using a spin cast machine that is drawn behind the two modules. Preferably, a layer of epoxy is applied to the interior surface of the host pipe to the appropriate thickness based on the pipe condition as determined by the two modules.
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