US PATENT SUBCLASS 493 / 354
.~.~ By use of composite cutting, breaking, tearing, or abrading tool and form scoring or crushing 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}
352  DF  .~ And with bending {4}
354.~.~ By use of composite cutting, breaking, tearing, or abrading tool and form scoring or crushing tool

DEFINITION

Classification: 493/354

By use of composite cutting, breaking, tearing, or abrading tool and form-scoring or crushing tool:

(under subclass 352) Method or apparatus including means to stress the workpiece beyond its elastic limit serving to press a line into a surface of the workpiece or serving to form a permanent crease in the work along a previously undetermined line and including means to pierce, rip, or engage with a crystalline tool, wherein the two means are an integral unit having no relative movement of the functioning surfaces when performing either operation.