US PATENT SUBCLASS 164 / 65
.~.~.~ During introduction to metal

Current as of: June, 1999
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164 /   HD   METAL FOUNDING

1  DF  PROCESS {6}
47  DF  .~ Shaping liquid metal against a forming surface {26}
61  DF  .~.~ Utilizing a vacuum {3}
65.~.~.~ During introduction to metal

DEFINITION

Classification: 164/65

(under subclass 61) Process wherein a vacuum is present in the mold environment during the introduction of the casting material into the mold.