AUTOMOTIVE HEAT EXCHANGER EXTRUSION TUBE AND METHOD FOR MANUFACTURING THE SAME
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United States of America Patent
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Issued Date -
Aug 12, 2010
app pub date -
Dec 18, 2009
filing date -
Feb 10, 2009
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Abandoned
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Abstract
An automotive heat exchanger extrusion tube includes a tube body; and a coating layer formed by applying a coating liquid containing silicon powder to an outer surface of the tube body, wherein the coating layer is formed only on a portion of the outer surface of the tube body and extends along the longitudinal direction of the tube body.
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