Method of drying a sand mold using a vacuum
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United States of America Patent
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Jul 11, 2006
Grant Date -
Aug 18, 2005
app pub date -
Feb 18, 2004
filing date -
Feb 18, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of drying a sand mold mixture containing moisture includes restraining the sand mold mixture and exposing the sand mold mixture to a vacuum. The vacuum flashes off the moisture within the sand mold mixture thereby drying the sand mold mixture to create a solidified sand mold. The restraining member prevents voids from forming in the sand mold during exposure to the vacuum.
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