Method for conduit expansion
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United States of America Patent
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Mar 20, 2012
Grant Date -
May 21, 2009
app pub date -
Dec 31, 2008
filing date -
Jun 13, 2003
priority date (Note) -
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Abstract
Disclosed is a conduit expansion method, including: inserting a liner conduit formed from a polyvinyl chloride material at least partially within a host conduit; circulating fluid within an inner area of the liner conduit; and injecting fluid into the inner area of the liner conduit; wherein the liner conduit at least partially expands within the host conduit.
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