US PATENT SUBCLASS 493 / 341
.~ Including application of heat

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}
341.~ Including application of heat

DEFINITION

Classification: 493/341

Including application of heat:

(under subclass 340) Method or apparatus including raising the thermal level of the workpiece, product, or environment.