US PATENT SUBCLASS 493 / 259
.~.~.~.~ By means engaging end edge of tube

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
243  DF  .~.~ Including folding {8}
255  DF  .~.~.~ Tube opening and closing {3}
259.~.~.~.~ By means engaging end edge of tube

DEFINITION

Classification: 493/259

By means engaging end edge of tube:

(under subclass 255) Method or apparatus wherein manipulation of the flattened, cylindrical workpiece is effected by engagement of a leading or trailing portion thereof.