Method of manufacturing a hollow casting mold

Details Method of manufacturing a hollow casting mold Method of manufacturing a hollow casting mold

1979-08-16

1981-09-29

Baldwin, Robert D.

Metal founding

Process

Including recycling of process material

164 71, 164 34, 164246, B22C 904

Patent

active

042917395

ABSTRACT:
A method of manufacturing a casting mold includes the steps of forming a casting mold body of a flowable binder-free backfilling material, stabilizing the casting mold body by negative pressure, and providing in the body a lost form of synthetic plastic material, particularly foamed synthetic plastic material.

REFERENCES:
patent: 3010852 (1961-11-01), Prange et al.
patent: 3498360 (1970-03-01), Wittmoser et al.
patent: 3861447 (1975-01-01), Hondo

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