US PATENT SUBCLASS 425 / 562
.~ With means between charger and mold to cut off flow of fluent stock (e.g., needle valve, baffle, etc.)

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}
562.~ With means between charger and mold to cut off flow of fluent stock (e.g., needle valve, baffle, etc.) {2}
563  DF  .~.~> Biased, pressure responsive means
564  DF  .~.~> Nozzle valve {2}

DEFINITION

Classification: 425/562

(under subclass 542) Apparatus including structure adapted to stop the flow of fluent stock to be molded, which structure is functionally located between the shaping cavity and the means to force the fluent stock therein.

SEE OR SEARCH THIS CLASS, SUBCLASS:

146, for an automatic valve actuated by differential pressure of fluent molding material en route to a shaping area.