Vertical pipe lining method and system
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United States of America Patent
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May 5, 2009
Grant Date -
Jul 19, 2007
app pub date -
Jan 18, 2006
filing date -
Jan 18, 2006
priority date (Note) -
Expired
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Abstract
The invention discloses a vertical pipe lining method comprising placing a repair material having a first end and a second end into a pipe having a bottom opening and a top opening. The repair material is inflated to press the repair material against the inside wall surface of the pipe; and heated air is conveyed through the inflated repair material from the bottom opening to the top opening to cure or mold a thermal responsive component of the repair material to the pipe. The invention also teaches a repair material for vertically oriented pipes comprising a multi-layered lining comprising a first outer layer and a second inner layer wherein the first outer layer comprises a resin impregnated fiber and the second inner layer is air impermeable. The invention also teaches a system for repairing. vertical pipe utilizing a repair material inflation device, an air blower and an air heater.
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