US PATENT SUBCLASS 493 / 424
.~.~.~.~ Rotary folder

Current as of: June, 1999
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493 /   HD   MANUFACTURING CONTAINER OR TUBE FROM PAPER; OR OTHER MANUFACTURING FROM A SHEET OR WEB

395  DF  BENDING {6}
405  DF  .~ Folding {13}
416  DF  .~.~ With means to advance work or product {8}
422  DF  .~.~.~ Continuous advance with folder moving with work {2}
424.~.~.~.~ Rotary folder {2}
425  DF  .~.~.~.~.~> Having radial folding blade {2}
434  DF  .~.~.~.~.~> Folding by roller {1}

DEFINITION

Classification: 493/424

Rotary folder:

(under subclass 422) Method or apparatus wherein the work engaging surface forming a crease line in the workpiece turns more than 360 deg. about an axis.