Precision investment casting mold, pattern assembly and method

Details Precision investment casting mold, pattern assembly and method Precision investment casting mold, pattern assembly and method

1976-11-01

1977-08-30

Shore, Ronald J.

Metal founding

Process

Shaping a forming surface

164 41, 164 45, 164244, 164249, 164337, 164349, 164411, B22C 702

Patent

active

040448150

ABSTRACT:
A precision investment casting ceramic mold of the self-casting type is made as a unitary mold by providing separately a pattern for a wax charge-holding assembly and a pattern for a wax article casting assembly, each including an alignment portion. The two patterns are secured together at the alignment portions and are supported and located one with respect to the other by a plurality of supporting and locating members. The assembled patterns then are used in the conventional manner to make a ceramic casting mold.

REFERENCES:
patent: 368311 (1887-08-01), Thomas
patent: 1244257 (1917-10-01), Sweetnam
patent: 1894151 (1933-01-01), Bell
patent: 2500246 (1950-03-01), Fiorella
patent: 3435878 (1969-04-01), Howard et al.
patent: 3835913 (1974-09-01), Vandemark et al.

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