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Investment casting mold design and method for investment casting using the same

  • US 7,231,955 B1
  • Filed: 01/30/2006
  • Issued: 06/19/2007
  • Est. Priority Date: 01/30/2006
  • Status: Active Grant
First Claim
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1. A method for investment casting, comprising:

  • positioning a base plate relative to a die;

    molding a first material between said die and at least a first surface portion of said base plate;

    securing one or more patterns to said base plate, said one or more patterns comprising a second material;

    applying one or more coating layers over at least portions of said one or more patterns and at least a portion of said first material;

    substantially removing said first material through an interior receptacle of a manifold body and said second material through an exterior receptacle of said manifold body to leave one or more shells formed by said coating layers;

    removing said base plate;

    introducing molten metal to said one or more shells through said interior receptacle of said manifold body;

    permitting said molten metal to solidify; and

    destructively removing one or more investment casting molds.

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