Molding die for use in casting

Details Molding die for use in casting Molding die for use in casting

1986-11-25

1989-01-17

Godici, Nicholas P.

Metal founding

Means to apply vacuum directly to work or to hold or...

Means applying vacuum or suction directly to molten casting...

164305, 164312, 1643381, 164348, 164529, B22D 2715

Patent

active

047982373

ABSTRACT:
This invention concerns an improvement in a molding die for use in casting in which a metal article is molded by charging a molten metal to the inside of a molding die comprising paired male and female dies, and then cooling the temperature of the molten metal to a solidification region and a solidification range where the solid phase and the liquid phase are present together, wherein one or both of paired male and female dies constituting the molding die equipped retractably with a pressurizing insert for applying the pressure to the molten metal charged to the molding die is made of ceramics thereby obtaining a molding die that can facilitate the control for the temperature distribution over the entire molding die, particularly, within the molding die upon cooling to solidify the molten metal, as well as having sufficient strength such as thermal shock resistance, shock resistance and durability enabling to mold a high temperature metal article by solidifying the high temperature molten metal of about 600.degree. to 1650.degree. C. while applying a pressure.

REFERENCES:
patent: 4079911 (1978-03-01), Wirtz et al.

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