US PATENT SUBCLASS 164 / 309
.~.~.~.~ Hot chamber 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  DF  .~.~ Injection type {4}
306  DF  .~.~.~ Direct pneumatic charging means {3}
309.~.~.~.~ Hot chamber type {1}
310  DF  .~.~.~.~.~> Including means to segregate a charge {1}

DEFINITION

Classification: 164/309

(under subclass 306) Apparatus wherein the pneumatic pressure means forces the metal directly from a melting unit or part thereof to the casting cavity.

(1) Note. Apparatus is included herein where a nozzle acceptor or charge form the melting unit but remains at least partially submerged in the molten metal of the unit.

SEE OR SEARCH THIS CLASS, SUBCLASS:

316+, for casting apparatus of the hot chamber type which utilizes a piston-cylinder charger.