US PATENT SUBCLASS 493 / 304
.~.~ By use of external guide member

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

269  DF  TUBE MAKING {15}
303  DF  .~ Convolute winding {3}
304.~.~ By use of external guide member

DEFINITION

Classification: 493/304

By use of external guide member:

(under subclass 303) Method or apparatus including use of an element adapted to engage the surface of the sheet or web workpiece facing away from the cylinder axis to direct the workpiece to configuration about that axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

460+, for an external guide member adapted to divert a continuously moving workpiece to curl about an axis.