US PATENT SUBCLASS 164 / 303
.~.~ Injection type

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

271  DF  MEANS TO SHAPE METALLIC MATERIAL {12}
284  DF  .~ Pressure shaping means {5}
303.~.~ Injection type {4}
304  DF  .~.~.~> Including valved mold gate
305  DF  .~.~.~> Including means to vent die cavity or gate
306  DF  .~.~.~> Direct pneumatic charging means {3}
312  DF  .~.~.~> Piston-cylinder charger {3}

DEFINITION

Classification: 164/303

(under subclass 284) Apparatus wherein the pressure acts upon a body of the charge to force it into a confined shaping area to be shaped by said pressure.