Small diameter pipe repair device
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United States of America Patent
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Apr 7, 2009
Grant Date -
Nov 29, 2007
app pub date -
Apr 21, 2006
filing date -
Mar 16, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A tube shaped and fluid inflatable and electrically heatable in-situ pipe repair device comprising a first outer elastomeric tube layer and a resistive heating component comprised of electrically conductive fibers braided over an elastomeric core. The tube shaped device also contains an inner annulus. The device is fluid sealable and is connectible to a fluid supply and vacuum source. It is also connectible to an electrical power source.The device may also comprise two tube shaped layers configured to fit snuggly together with a resistive heating component held between the two layers. The resistive heating component may be a braided fiber-elastomeric core combination or a conductive fiber configured in a sinusoidal wave or similar pattern.
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