Method and high-pressure mixing apparatus with self-regenerating seal
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United States of America Patent
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Apr 12, 2016
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app pub date -
Feb 12, 2014
filing date -
Feb 15, 2013
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Abstract
A method for forming a self-regenerating seal in a mixing chamber of a high-pressure mixing apparatus for polymeric components suitable for providing a reactive mixture for a polymerizable resin. An annular sealing element is provided in a circular housing seat inside the mixing chamber, in a sealing zone downstream the injection holes for the polymeric components; worn and/or torn parts of the annular sealing element are automatically regenerated by the same reactive mixture delivered during operation of the mixing apparatus. A high-pressure mixing apparatus with self-regenerating sealing element is also claimed.
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