CORE BOX WITH AIR VENTS INTEGRATED IN PINS
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United States of America Patent
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Issued Date -
Apr 19, 2012
app pub date -
Jun 17, 2010
filing date -
Jun 23, 2009
priority date (Note) -
Abandoned
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Abstract
The invention relates to sand casting and more specifically to sand casting of a heat exchanger element with pins and/or fins. The invention provides a core box for sand casting of workpieces comprising pins and/or fins. The core box molding surface comprises at least one air vent and pins and/or fins. The at least one air vent is integrated in at least one pin or fin.
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