Process of forming casting mold for cast pieces having at least

Details Process of forming casting mold for cast pieces having at least Process of forming casting mold for cast pieces having at least

1980-10-03

1983-03-29

Hampilos, Gus T.

Metal founding

Process

Shaping a forming surface

164 44, 164245, B22C 700, B22C 922

Patent

active

043780440

ABSTRACT:
A mold forming tool for use in the manufacture of casting molds by compression of loose mold forming material by a process in which the final compacting is achieved by pressing, for the casting of cast pieces having undercuts, the tool having an elastically deformable portion in the region of the undercuts, and the elastically deformable portion being made of a material which is deformable, thus creating the undercut pattern, solely under the influence of the pressure exerted on the mold forming material during the final compacting.

REFERENCES:
patent: 3552480 (1971-01-01), Harris
patent: 3570585 (1971-03-01), Harris

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