US PATENT SUBCLASS 164 / 318
.~.~.~.~.~ Fluid actuated piston

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  DF  .~.~ Injection type {4}
312  DF  .~.~.~ Piston-cylinder charger {3}
316  DF  .~.~.~.~ Hot chamber type {2}
318.~.~.~.~.~ Fluid actuated piston

DEFINITION

Classification: 164/318

(under subclass 316) Apparatus which includes a fluid pressure operated piston-charger.

(1) Note. The piston may be directly operated by the fluid pressure or the operating force may be generated by fluid pressure and transmitted by mechanical linkages.

SEE OR SEARCH THIS CLASS, SUBCLASS:

312, for a cold chamber type fluid actuated piston charger.