US PATENT SUBCLASS 493 / 457
.~.~.~ And cooperating reciprocatory 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}
455  DF  .~.~ By passive reaction member {2}
457.~.~.~ And cooperating reciprocatory folder

DEFINITION

Classification: 493/457

And cooperating reciprocatory folder:

(under subclass 455) Method or apparatus combined with means to cooperate with the stationary means to apply stress to form a crease line in the workpiece, which means moves to-and-fro in a straight line or about a fixed pivot.