US PATENT SUBCLASS 493 / 403
.~.~.~.~.~ Roller

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}
396  DF  .~ Form-scoring {3}
400  DF  .~.~ With means to advance or position work or product {1}
401  DF  .~.~.~ Continuous advance {1}
402  DF  .~.~.~.~ By rotary tool having surface moving with work {1}
403.~.~.~.~.~ Roller

DEFINITION

Classification: 493/403

Roller:

(under subclass 402) Method or apparatus wherein the surface comprises the periphery of a rigid circular member turning about a fixed axis passing through its center, which surface is adapted to rollingly engage and transfer the sheet or web.