US PATENT SUBCLASS 493 / 372
.~ By reciprocatory tool

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}
372.~ By reciprocatory tool

DEFINITION

Classification: 493/372

By reciprocatory tool:

(under subclass 340) Method or apparatus wherein piercing, ripping, or engaging by a crystalline tool is effected by a member in engagement with the workpiece and moving to-and-from along a straight line or about a fixed pivot.