US PATENT SUBCLASS 164 / 422
.~.~.~ Rotary mold

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

271  DF  MEANS TO SHAPE METALLIC MATERIAL {12}
418  DF  .~ Continuous or semicontinuous casting {12}
421  DF  .~.~ Hollow casting {1}
422.~.~.~ Rotary mold

DEFINITION

Classification: 164/422

Rotary mold:

(under subclass 421) Apparatus wherein the mold includes means enabling rotation about its axis to thus form the central cavity by centrifugal force upon the molten metal.