Rapid prototype casting

Details Rapid prototype casting Rapid prototype casting

2004-09-24

2008-11-11

Kerns, Kevin P (Department: 1793)

Metal founding

Process

Shaping a forming surface

C164S035000, C164S361000, C164S369000

Reexamination Certificate

active

07448433

ABSTRACT:
Methods for rapid prototype casting metal components, wherein the metal components are cast in a secondary ceramic mold, the secondary ceramic mold is cast in a primary mold, and the primary mold is formed by rapid prototyping or rapid manufacturing. The secondary ceramic mold may comprise a one-piece integral shell and core(s), and the metal components may have at least one hollow portion or void therein, such as a hollow airfoil for a gas turbine engine.

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