US PATENT SUBCLASS 425 / 355
.~ Opposed press members each moving one at a time toward the other

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

352  DF  FEMALE MOLD AND OPPOSED COAXIAL DYNAMIC PRESS MEMBERS {3}
355.~ Opposed press members each moving one at a time toward the other

DEFINITION

Classification: 425/355

(under subclass 352) Apparatus in which each press member in turn moves to apply pressure while the opposing press member is stationary.