US PATENT SUBCLASS 164 / 285
.~.~ Including a pressure gas or pressure vapor generator

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}
285.~.~ Including a pressure gas or pressure vapor generator

DEFINITION

Classification: 164/285

(under subclass 284) Apparatus which includes a means for generating a gaseous product to provide the pressure shaping force.

(1) Note. The gas is generally produced by a chemical reaction or by volatilization.

SEE OR SEARCH THIS CLASS, SUBCLASS:

48, for processes of shaping liquid metal against a forming surface utilizing an explosive force.

307, for manually operated pressure generating means for charging molten metal.