Methods and systems for abrasive cleaning and barrier coating/sealing of pipes
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United States of America Patent
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Apr 15, 2014
Grant Date -
N/A
app pub date -
Nov 28, 2007
filing date -
Aug 28, 2002
priority date (Note) -
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Abstract
Methods for abrasive cleaning, deburring, providing barrier coatings and sealing leaks in existing pipes, in a single operation, in one pass by intermittent bursts of dry particulates forced and pulled by air throughout the piping system by a generator and a vacuum. Cleaning includes intermittently injecting bursts of abrasive particles into the pressurized gas into the piping system for cleaning pipe interior walls, reducing burrs and interior lips in the pipe interior walls and generating a vacuum suction in the piping system to remove abrasive particles and debris.
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