Apparatus and method for molding an article

Details Apparatus and method for molding an article Apparatus and method for molding an article

1996-03-13

1997-04-29

Lin, Kuang Y.

Metal founding

Process

Shaping a forming surface

1641221, 164361, B22D 2704, B22C 904

Patent

active

056239858

ABSTRACT:
An apparatus and method for use in casting a metal article includes a mold structure having wall sections with pins extending between the wall sections. The pins have opposite end portions which are embedded in the wall sections of the mold structure to interlock the pins and the wall sections of the mold structure. When molten metal is poured into the mold structure, the molten metal urges the wall sections away from each other. The wall sections are retained against movement relative to each other by the pins. Although the apparatus and method of the present invention can be utilized to cast many different types of articles, the invention is advantageously utilized in the casting of thin metal articles and specifically a thin metal article which is formed as a single crystal.

REFERENCES:
patent: 4596281 (1986-06-01), Bishop
patent: 5295530 (1994-03-01), O'Connor et al.

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