US PATENT SUBCLASS 493 / 207
.~.~.~ By yieldable, heated means


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}
207.~.~.~ By yieldable, heated means


DEFINITION

Classification: 493/207

By yieldable, heated means:

(under subclass 189) Method or apparatus including a member from which energy is to flow to the workpiece surface which member is urged toward the workpiece by means intended to yield.