Method of installing and curing a liner in a sewer pipe
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United States of America Patent
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Feb 16, 2016
Issued Date -
N/A
app pub date -
Jul 10, 2014
filing date -
Jul 12, 2013
priority date (Note) -
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Abstract
A system for installing and curing a cured in place pipe liner includes a bladder with a terminal end and an originating end that is inflatable by an inflating medium and a return conduit within the bladder that extends from the terminal end to the originating end of the bladder. The return conduit includes an opening near the terminal end for passage of the inflating medium between the return conduit and an interior cavity of the bladder. A control valve is disposed on the return conduit and is configured to control flow of the bladder inflating medium through the return conduit.
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