US PATENT SUBCLASS 493 / 208
.~.~.~ By rotary heat sealer


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

51  DF  CONTAINER MAKING {2}
186  DF  .~ Pliable container (e.g., bag, envelope, etc.) {9}
189  DF  .~.~ Including heat sealing {9}
208.~.~.~ By rotary heat sealer


DEFINITION

Classification: 493/208

By rotary heat sealer:

(under subclass 189) Method or apparatus including use of means to raise the thermal level of the sheet or web workpiece, which means turns about an axis through more than 360 deg. during operation.