US PATENT SUBCLASS 493 / 352
.~ And with bending

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.~ And with bending {4}
353  DF  .~.~> By use of composite cutting, breaking, tearing, or abrading tool and folding tool
354  DF  .~.~> By use of composite cutting, breaking, tearing, or abrading tool and form scoring or crushing tool
355  DF  .~.~> Form-scoring
356  DF  .~.~> Folding {1}

DEFINITION

Classification: 493/352

And with bending:

(under subclass 340) Method or apparatus including stressing a sheet or web workpiece beyond its elastic limit so that when that stress is released the sheet or web workpiece will not return to its original shape.

SEE OR SEARCH THIS CLASS, SUBCLASS:

394+, for bending a sheet or web, generally.