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Systems and methods for reducing the potential for riser backfilling during investment casting

  • US 7,882,885 B2
  • Filed: 02/18/2008
  • Issued: 02/08/2011
  • Est. Priority Date: 02/18/2008
  • Status: Expired due to Fees
First Claim
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1. A method for performing investment casting comprising:

  • providing a mold having an interior, the interior having a part cavity and a riser communicating therewith;

    separating a portion from the mold; and

    using the portion as an insert such that the insert forms a physical barrier to reduce a potential for molten metal to backfill from the part cavity into the riser while the molten metal is introduced into the interior of the mold via the opening.

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  • 3 Assignments
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