Integrated quiescent processing of melts
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United States of America Patent
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Nov 6, 2012
Grant Date -
May 13, 2010
app pub date -
Oct 13, 2009
filing date -
Feb 23, 2007
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Abstract
A quiescent melt handling system includes a melting furnace and a holding furnace communicating with the melting furnace for holding a molten metal melt. The holding furnace has a relatively large surface area and a relatively shallow depth, having a width to depth ratio in the range of 4-100 to 1. Also provided is structure in the holding furnace for separating inclusions from the melt in the holding furnace. A mold communicates with the holding furnace. A counter gravity casting system, which might comprise a vacuum assisted casting system, draws the melt into the mold.
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