US PATENT SUBCLASS 425 / 564
.~.~ Nozzle valve


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  DF  .~ With means between charger and mold to cut off flow of fluent stock (e.g., needle valve, baffle, etc.) {2}
564.~.~ Nozzle valve {2}
565  DF  .~.~.~> Mold actuated
566  DF  .~.~.~> Flush with or entering mold cavity


DEFINITION

Classification: 425/564

(under subclass 562) Apparatus including, along the stock material passage, a coupling between the forcing means and the shaping cavity wherein a projection is provided from the structure extending from the forcing means and a corresponding pocket is formed in the structure extending to the shaping cavity, such that the projection is adapted to sealingly fit into the pocket; wherein the blocking means is positioned in the projection, in the vicinity of the portion to be received by the pocket.