Multi-diameter elastic sealing module for pigs
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United States of America Patent
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Nov 8, 2011
Grant Date -
Dec 31, 2009
app pub date -
May 22, 2009
filing date -
Feb 13, 2008
priority date (Note) -
Expired
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Abstract
A multi-diameter elastic sealing module for pigs, which operates in pipes having diameter changes, by being sent through the inside of a flexible or rigid pipe to move or draw various fittings and remove internal incrustations from the pipe, impelled by a fluid which flows inside said pipe.).
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