US PATENT SUBCLASS 493 / 433
.~.~.~.~.~.~.~ For zigzag folding


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  DF  .~.~.~.~ Rotary folder {2}
425  DF  .~.~.~.~.~ Having radial folding blade {2}
432  DF  .~.~.~.~.~.~ And cooperating, registering cylinder {1}
433.~.~.~.~.~.~.~ For zigzag folding


DEFINITION

Classification: 493/433

For zigzag folding:

(under subclass 432) Method or apparatus particularly adapted to forming regularly spaced, alternately turned crease lines transverse to a generally elongated sheet or web workpiece.