Apparatus and method for heat curing of pipe liners
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United States of America Patent
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Dec 20, 2016
Grant Date -
Aug 2, 2012
app pub date -
Dec 1, 2011
filing date -
Jul 30, 2010
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Abstract
An apparatus that accelerates curing of resin in a liner for a buried pipe includes a lining assembly connected to a pressurized fluid source. One embodiment includes an inversion cap having an inversion port, a curing port and a drainage port. The apparatus also includes a manifold having an outlet, a first inlet in valved fluid communication with a heated fluid source, a second inlet in valved fluid communication with a pressurized fluid source and a third inlet in valved fluid communication with the drainage port. While heated fluid enters the first end of the assembly via the manifold, a release fitting which allows fluids to escape through the second end thereof.
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