US PATENT SUBCLASS 425 / 396
.~.~ Corrugating platens or dies

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}
396.~.~ Corrugating platens or dies

DEFINITION

Classification: 425/396

(under subclass 394) Apparatus wherein at least one of the opposed coacting shaping surfaces has furrowed and ridge-like configurations whereby a row of wave-like elements are formed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

303, for a preform severing means and with a preform reshaping means of the corrugating type serially arranged therewith.

336, for corrugating means for running length work including sets of shaping couples comprising an endless surface.

369+, for preform corrugating means including an endless surface type reshaping means.