Method and apparatus for assisting removal of sand moldings from castings
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 23, 2003
Grant Date -
Feb 21, 2002
app pub date -
May 9, 2001
filing date -
May 10, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed is a method for dislodging a mold from a casting formed within the mold. The mold may be removed from the casting by scoring the mold and applying a force sufficient to cause the mold to fracture and break into pieces. Additionally, the mold may be fractured by either explosive charges placed in the mold pack or by high energy pulsations directed at the mold. Once the mold is fractured and broken into various pieces it may then be dislodged from the casting.
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