US PATENT SUBCLASS 425 / 336
.~ Corrugating means for running length work

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

335  DF  SETS OF SHAPING COUPLES COMPRISING AN ENDLESS SURFACE FOR PRESS FORMING, RESHAPING (PLURAL STAGE OR PASS) OR VULCANIZING {2}
336.~ Corrugating means for running length work

DEFINITION

Classification: 425/336

(under subclass 335) Apparatus comprising means for shaping an advancing length of work into ridges and grooves.

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369+, for endless type press forming a reshaping means, or vulcanizing means with preform corrugating.

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156, Adhesive Bonding and Miscellaneous Chemical Manufacture,

459+, for corrugating in combinations with laminating.