US PATENT SUBCLASS 264 / 286
.~.~.~ Corrugating


Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

239  DF  MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE {10}
280  DF  .~ Reshaping running or indefinite-length work {5}
285  DF  .~.~ Bending {1}
286.~.~.~ Corrugating {1}
287  DF  .~.~.~.~> And subsequent reshaping of corrugated material


DEFINITION

Classification: 264/286

(under subclass 285) Processes in which the bending involves forming a web with a cross-section having alternate ridges and grooves.

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339, for bending or twisting of definite length articles.

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156, Adhesive Bonding and Miscellaneous Chemical Manufacture,

202+, and 205+ for corrugating of indefinite length work combined with a laminating operation and 210 for corrugating and laminating to a noncorrugated lamina.