US PATENT SUBCLASS 493 / 411
.~.~.~.~ Including use of swinging work guiding means (e.g., zigzag folding, etc.)

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}
409  DF  .~.~ Refolding or unfolding {1}
410  DF  .~.~.~ Of indeterminate length work {2}
411.~.~.~.~ Including use of swinging work guiding means (e.g., zigzag folding, etc.)

DEFINITION

Classification: 493/411

Including use of swinging work guiding means (e.g., zigzag folding, etc.):

(under subclass 410) Method or apparatus including use of means to direct the web workpiece by physical engagement therewith, which means alternates to-and-from to direct a portion of the workpiece in a first direction and then to direct a succeeding portion of the workpiece in a second direction, such that succeeding portions of the workpiece are alternately laid one upon the other in a regular order by application of stress along previously made crease lines extending generally normal to the direction of workpiece movement.

SEE OR SEARCH THIS CLASS, SUBCLASS:

413+, for folding other than along previously made crease lines using a swinging work guiding means.