US PATENT SUBCLASS 493 / 317
.~.~.~ Compound movement


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

309  DF  CONTAINER OR TUBE ERECTING, OPENING, OR COLLAPSING {5}
313  DF  .~ By direct application of vacuum or fluid pressure {3}
316  DF  .~.~ Oscillating movement of work contacting vacuum means {1}
317.~.~.~ Compound movement


DEFINITION

Classification: 493/317

Compound movement:

(under subclass 316) Method or apparatus wherein the structure to engage the sheet or web workpiece also moves in a second manner at the same time as the to-and-fro movement.