METHOD FOR PRODUCING CAST PIECES Russian patent published in 2007 - IPC B22D15/00 

Abstract RU 2307003 C1

FIELD: foundry.

SUBSTANCE: method comprises steps of filling casting mold under gas counter-pressure with melt fed from vessel arranged under casting mold; soaking melt till freezing predetermined wall thickness of casting; increasing gas pressure higher than gas pressure acting upon melt. At producing castings having cavity closed downwards liquid residue is drained till level of bottom part of casting and performing soaking till solidification of melt.

EFFECT: lowered labor consumption of process.

2 cl, 6 dwg, 1 ex

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RU 2 307 003 C1

Authors

Karanik Jurij Appolinar'Evich

Dates

2007-09-27Published

2006-05-04Filed