US PATENT SUBCLASS 493 / 444
.~.~.~.~.~ With reciprocatory folding knife

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
442  DF  .~.~.~ Folding by roller {1}
443  DF  .~.~.~.~ Roller passive reaction member {1}
444.~.~.~.~.~ With reciprocatory folding knife {1}
445  DF  .~.~.~.~.~.~> Reaction member comprising roller pair yieldably biased together

DEFINITION

Classification: 493/444

With reciprocatory folding knife:

(under subclass 443) Method or apparatus combined with a blade member adapted to move to-and-fro in a straight line or about a fixed axis to cooperate with the member turning about an axis to form a crease line in a workpiece.