US PATENT SUBCLASS 222 / 594
.~ Flow controllers or assists

Current as of: June, 1999
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222 /   HD   DISPENSING

591  DF  MOLTEN METAL DISPENSING {6}
594.~ Flow controllers or assists {3}
595  DF  .~.~> Fluid pressure assist
596  DF  .~.~> Piston displacement
597  DF  .~.~> Closure {4}

DEFINITION

Classification: 222/594

(under subclass 591) Apparatus for evacuating molten metal from the receptacle either by regulating its flow through an exit opening or by the action of a discharge assistant acting thereon.

(1) Note. For a definition of a discharge assistant, see Lines With Other Classes and Within This Class, Discharge Assistants (e.g. Impellers, Pumps, Conveyors, and Movable Traps in the main class definition of this class (222).