Foundry molds

Details Foundry molds Foundry molds

1977-09-26

1982-08-31

Spruill, R. L.

Metal founding

Means to shape metallic material

United particle type shaping surface

164 31, B22C 910

Patent

active

043467512

ABSTRACT:
Hand patching of recesses in the side walls of a sand mold, intended to receive a core, is avoided by filling the recess, after the core is emplaced with a complemental pre-molded cover.

REFERENCES:
patent: 340043 (1886-04-01), Harris
patent: 546948 (1895-09-01), Watt

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