US PATENT SUBCLASS 425 / 579
.~.~ Charger including a shaping surface (e.g., Briquetting means, etc.)


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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}
579.~.~ Charger including a shaping surface (e.g., Briquetting means, etc.)


DEFINITION

Classification: 425/579

(under subclass 578) Apparatus wherein the means to force

fluent stock into the shaping cavity includes a surface adapted to serve as a portion of the shaping cavity wall and thereby impart shape to the product.

SEE OR SEARCH THIS CLASS, SUBCLASS:

406+, for similar structure wherein a portion of the mold surface moves inwardly to compress material, wherein the fluent material is not transported from a remote location by the moving mold surface.

522+, for a blow mold including transport means adapted to shape the parison.

577, for a movable core member adapted to provide shape to the inner surface of a workpiece being formed.