Method of casting metal articles
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United States of America Patent
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-
Nov 15, 2011
Grant Date -
Aug 19, 2010
app pub date -
Apr 27, 2010
filing date -
Jun 24, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A method of casting metal articles includes providing a plurality of interconnected support sections. Article mold sections are positioned on the support sections. After article mold cavities, have been filled with a molten metal which is at a first temperature, the support sections and a body of a second molten metal are moved relative to each other while the body of a second molten metal is at a temperature which is less than the first temperature. Space extending between side surfaces of the support sections and between side portions of the article mold sections is filled with the second molten metal during movement between the support sections and the body of a second molten metal. A layer of insulating material may be provided above the body of a second molten metal. A baffle may be provided between a container holding the body of a second molten metal and a furnace assembly.
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