Metal founding – Means to shape a forming surface – Pattern
Patent
1974-08-29
1976-07-20
Shore, Ronald J.
Metal founding
Means to shape a forming surface
Pattern
B22C 1900
Patent
active
039701387
ABSTRACT:
The upper part of a foundry mold is manufactured by utilizing a pattern device which includes a gate pin having a guide hole therein which is adapted to engage a guide pin extending from the mold pattern of the foundry mold in order to retain the pattern device in place during production of the upper part of the foundry mold. An upper trough pattern may be mounted for axial movement relative to the gate pin. The upper trough pattern is configured to define a trough from which a plurality of gate pins may extend. By structuring at least two of the gate pins located at opposite ends of the trough with guide holes engaging guide pins extending from the mold pattern, rotation of the upper trough pattern about either of the guide pins may be prevented.
REFERENCES:
patent: 695146 (1902-03-01), Davis
patent: 3256571 (1966-06-01), Lund
Hampilos Gus T.
Shore Ronald J.
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