US PATENT SUBCLASS 425 / 401
.~.~.~ Including sprue or vent

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

383  DF  PREFORM RESHAPING OR RESIZING MEANS: OR VULCANIZING MEANS INCLUDING A CONFORMING PREFORM SUPPORT {10}
394  DF  .~ Coacting shaping surfaces (e.g., pressure surfaces, etc.) {4}
398  DF  .~.~ Relatively reciprocating plunger and female mold {3}
401.~.~.~ Including sprue or vent

DEFINITION

Classification: 425/401

(under subclass 398) Apparatus comprising, in addition to the inlet for the stock material, an additional opening to permit escape of fluids or excess stock material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

84+, for apparatus including foraminous or absorbent means for removal of vehicle or component in liquid form during, or after, shaping.

86, for apparatus including handling means or other features for treating liquid or vehicle liquid or condensate.

420, for forming apparatus comprising opposed press members and a vent or other means to remove or permit removal of entrained gas.