US PATENT SUBCLASS 425 / 580
.~.~ And feeder to supply granular fluent stock to charger

Current as of: June, 1999
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425 /   HD   PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS

542  DF  FEMALE MOLD AND CHARGER TO SUPPLY FLUENT STOCK UNDER PRESSURE THERETO IN FLUID-TIGHT RELATIONSHIP (E.G., INJECTION MOLD, ETC.) {17}
578  DF  .~ With normally open stock chamber (e.g., hopper, etc.) {2}
580.~.~ And feeder to supply granular fluent stock to charger {4}
581  DF  .~.~.~> Including plural molds
582  DF  .~.~.~> Rotary feeder
583  DF  .~.~.~> Reciprocating feeder
584  DF  .~.~.~> Air or vacuum utilized to feed stock

DEFINITION

Classification: 425/580

(under subclass 578) Apparatus including means to transfer fluent stock material from a remote location, usually the open supply vessel, to the means to force the fluent stock into the shaping cavity, wherein the fluent stock is composed of individual solid articles that flow en masse as a fluid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

585, for similar structure not combined with an open supply vessel.