Apparatus for casting filaments
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United States of America Patent
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Feb 26, 2013
Grant Date -
Oct 4, 2012
app pub date -
Jan 27, 2012
filing date -
Mar 30, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A casting apparatus is presented. The casting apparatus includes a first chamber and a second chamber. The first chamber includes a crucible and a sealed discharge outlet. The second chamber includes a casting mold for casting a plurality of filaments of a superalloy composition. The second chamber further includes a discharge inlet aligned with the sealed discharge outlet of the first chamber. The casting apparatus further includes a first port for applying a positive pressure to the first chamber and a second port for applying a vacuum to the second chamber. The sealed discharge outlet includes a hermetic seal comprising a material having a melting temperature equal to or greater than a melting temperature of the superalloy composition.
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