US PATENT SUBCLASS 493 / 446
.~.~.~ Folding by passive reaction member

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}
446.~.~.~ Folding by passive reaction member {2}
447  DF  .~.~.~.~> Including multiple reaction members each presenting one or more shaping edges {1}
449  DF  .~.~.~.~> And cooperating plunger

DEFINITION

Classification: 493/446

Folding by passive reaction member:

(under subclass 416) Method or apparatus utilizing the energy of a moving sheet or web workpiece by use of means to effect the formation of a crease line, which means is stationary during formation of the crease line.