Casting Method
OwnerMasahito Gokainventor
Life of this patent
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Abstract
[OBJECT] To provide a method for casting with a gas permeable mold by gravity pouring, wherein melt is injected into only an intended cavity portion of a casting mold cavity and solidified. [MEANS FOR ATTAINING THE OBJECT] After pouring the melt having the volume substantially equal to that of the intended cavity portion to be filled with the melt, compressed gas is supplied from a sprue to inject the melt into the intended cavity portion and solidify the melt. The cavity may be decompressed before or after pouring according to need.
Claims9
A casting method for pouring melt having the weight volume ratio γ into a gas permeable mold, characterized by filling an intended cavity portion with the melt with supply of a compressed gas from a sprue and solidifying the melt after initiation of pouring of the melt having the volume substantially equal to that of the cavity portion intended to be filled with the melt in a cavity of said gas permeable mold.
Dependencies are inferred from the claim text.