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Method and apparatus for manufacturing a multi-alloy cast structure

  • US 10,449,605 B2
  • Filed: 11/07/2014
  • Issued: 10/22/2019
  • Est. Priority Date: 11/27/2013
  • Status: Active Grant
First Claim
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1. A method for casting a plurality of alloy parts in a mold (600;

  • 700) having a plurality of part-forming cavities (601), the method comprising;

    pouring a first alloy into the mold causing;

    the first alloy to branch into respective flows along respective first flowpaths (676, 684;

    708) to the respective cavities; and

    a surface of the first alloy in the part-forming cavities to equilibrate via a first passageway (694;

    718) linking the first flowpaths; and

    pouring a second alloy into the mold causing;

    the second alloy to branch into respective flows along respective second flowpaths (676, 680;

    712) to the respective cavities.

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