US PATENT SUBCLASS 493 / 290
.~.~.~ During relative rotation between work and severing means about work axis

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}
287  DF  .~ With cutting, breaking, tearing, or abrading {1}
288  DF  .~.~ Severing of formed tube to length {2}
290.~.~.~ During relative rotation between work and severing means about work axis

DEFINITION

Classification: 493/290

During relative rotation between work and severing means about work axis:

(under subclass 288) Method or apparatus including (a) turning the hollow cylinder about its axis to engage its periphery with a subdividing edge, or (b) orbiting a subdividing edge about the axis of the hollow cylinder to engage the periphery of the hollow cylinder with the subdividing edge.