APPARATUS AND METHOD FOR SEALING A VENTILATION CHANNEL OF A PIPE
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United States of America Patent
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app pub date -
Jan 19, 2011
filing date -
May 13, 2010
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Abandoned
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Abstract
A method of sealing a ventilation channel for a pipe is disclosed. The method may include inserting a sealing insert into a ventilation hole of the ventilation channel, applying a vibrational energy to a region between the sealing insert and the ventilation channel, deactivating the vibrational energy once the sealing insert and the ventilation channel are welded together at the region, and forming a flush interface between the sealing insert and the ventilation channel at the ventilation hole.
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