US PATENT SUBCLASS 425 / 520
.~ Opposed coacting press members

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

500  DF  PREFORM ASSEMBLY MEANS AND MEANS FOR BONDING OF PLURAL PREFORMS INVOLVING PREFORM RESHAPING OR VULCANIZING {8}
520.~ Opposed coacting press members {1}
521  DF  .~.~> Male shaping member and female mold

DEFINITION

Classification: 425/520

(under subclass 500) Apparatus comprising opposed cooperating shaping surfaces having relative movement for exerting compressive force on work material therebetween so as to impart a shape thereto.

SEE OR SEARCH THIS CLASS, SUBCLASS:

406+, for opposed cooperating shaping surfaces and see the search notes thereunder.