US PATENT SUBCLASS 493 / 449
.~.~.~.~ And cooperating plunger

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  DF  .~.~.~ Folding by passive reaction member {2}
449.~.~.~.~ And cooperating plunger

DEFINITION

Classification: 493/449

And cooperating plunger:

(under subclass 446) Method or apparatus combined with means to force the workpiece against the stationary member to form a crease line therein, which means is adapted to have the workpiece wrapped thereabout so that the workpiece is given shape conforming to the shape of the forcing means.