US PATENT SUBCLASS 493 / 437
.~.~.~.~ 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}
416  DF  .~.~ With means to advance work or product {8}
436  DF  .~.~.~ Continuous advance past folder {2}
437.~.~.~.~ Reciprocatory folder

DEFINITION

Classification: 493/437

Reciprocatory folder:

(under subclass 436) Method or apparatus wherein the means to effect the forming of the crease line moves to-and-fro in a straight line or about a fixed pivot during operation.