US PATENT SUBCLASS 425 / 590
.~.~ Varying pressure and/or speed closing

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}
589  DF  .~ With means to close mold {4}
590.~.~ Varying pressure and/or speed closing

DEFINITION

Classification: 425/590

(under subclass 589) Apparatus including structure that moves one of the segments relative to the other at a first velocity or a first force and further includes provision for moving the segments during the same closing operation relative to each other at a second velocity or second force.

SEE OR SEARCH THIS CLASS, SUBCLASS:

451.2, for similar structure not claimed in combination with means to transfer fluent stock material into the shaping cavity as part of a closed system.