US PATENT SUBCLASS 493 / 366
.~.~ By relatively adjustable cutting edges or cutting and scoring edges

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

340  DF  WITH CUTTING, BREAKING, TEARING, OR ABRADING {9}
363  DF  .~ Making plural, separate cuts by distinct cutting edges {2}
366.~.~ By relatively adjustable cutting edges or cutting and scoring edges {1}
367  DF  .~.~.~> On rotary tool support {1}

DEFINITION

Classification: 493/366

By relatively adjustable cutting edges or cutting and scoring edges:

(under subclass 363) Method or apparatus wherein piercing is effected by a first sharp edge and by a second relatively repositionable sharp edge; or wherein piercing is effected by a first edge that is sharp and a surface groove is formed by a second relatively repositionable edge.