US PATENT SUBCLASS 425 / 398
.~.~ Relatively reciprocating plunger and female mold

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.~.~ Relatively reciprocating plunger and female mold {3}
399  DF  .~.~.~> Stationary plunger and reciprocating female mold
400  DF  .~.~.~> Including means positioning or centering work
401  DF  .~.~.~> Including sprue or vent

DEFINITION

Classification: 425/398

(under subclass 394) Apparatus comprising (1) cooperating male and female shaping members and (2) means for imparting relative reciprocation between the male and female members.