US PATENT SUBCLASS 164 / 62
.~.~.~ Applying diverse pressure

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}
62.~.~.~ Applying diverse pressure

DEFINITION

Classification: 164/62

(under subclass 61) Process directed to applying, in addition to the differential in pressure effected by the vacuum, a dynamic pressure medium.