Method of inserting cores in a sand mold

Details Method of inserting cores in a sand mold Method of inserting cores in a sand mold

1975-10-20

1977-02-22

Roethel, John E.

Metal founding

Process

Shaping a forming surface

164137, 164340, B22C 910

Patent

active

040087484

ABSTRACT:
A method of inserting a core in a sand mold wherein the sand mold is provided with a cavity for receiving the core, and, during the insertion of the core in the cavity, the sand around the core is compressed by an element or, if the core print is provided with a retaining projection, a further projection on the core print is provided for compressing the sand around the cavity in the sand mold which receives the retaining projection.

REFERENCES:
patent: 363138 (1887-05-01), Herman
patent: 1630357 (1927-05-01), Pfeil
patent: 1657444 (1928-01-01), Prince
patent: 1804400 (1931-05-01), Davis

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