Metal casting

Details Metal casting Metal casting

B - Operations, Transporting

22

D

22/120, 22/166

B22D 18/06 (2006.01)

Patent

CA 1146717

ABSTRACT Casting metal in rigid, self supporting, gas permeable molds with one or more mold cavities for molding one or more parts, in which the mold cavities have gate passages with their lower open ends at the lower surface of the mold, by applying a reduced pressure to the upper surface of the mold and submerging the lower ends of the gate passages beneath the surface of molten metal to fill the mold cavities with molten metal to produce uncon- nected metal parts or groups of parts.

336736

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