Method and high-pressure mixing apparatus with self-regenerating seal
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United States of America Patent
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Aug 15, 2017
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app pub date -
Nov 30, 2015
filing date -
Feb 15, 2013
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Abstract
A high-pressure mixing apparatus for polymeric components suitable for providing a reactive mixture for a polymerizable resin, provided with a self-regenerating seal. An annular sealing element is housed in a circular seat inside a cross hole of a bush transversely extending to and in communication with the mixing chamber, in a sealing zone downstream the injection holes for the polymeric components, between the mixing chamber and the same delivery bush; worn and/or torn parts of the annular sealing element are automatically regenerated by the reactive mixture delivered during operation of the mixing apparatus.
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