US PATENT SUBCLASS 493 / 414
.~.~.~ Swinging passage

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}
413  DF  .~.~ Folding of indeterminate length work by swinging work guiding means (e.g., zigzag folding, etc.) {1}
414.~.~.~ Swinging passage {1}
415  DF  .~.~.~.~> Defined by feed roll pair

DEFINITION

Classification: 493/414

Swinging passage:

(under subclass 413) Method or apparatus wherein the directing means engages both planar surfaces of the web workpiece at all times to positively guide the first and succeeding portions of the workpiece.