US PATENT SUBCLASS 425 / 370
.~.~ Endless belt

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

363  DF  PRESS FORMING MEANS, PRESS RESHAPING MEANS, OR VULCANIZING MEANS IS ENDLESS SURFACE TYPE {9}
369  DF  .~ Means corrugating a preform {1}
370.~.~ Endless belt

DEFINITION

Classification: 425/370

(under subclass 369) Apparatus wherein the corrugating means has at least one reaction surface in the form of a corrugating roller or endless belt band with a surface

configuration defining a corrugating means.