US PATENT SUBCLASS 493 / 157
.~.~.~.~ By folding over end of tube

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}
52  DF  .~ Rigid container (e.g., box, carton, cap, cup, etc.) {10}
152  DF  .~.~ Nonrectangular cross section container {4}
156  DF  .~.~.~ End closing {1}
157.~.~.~.~ By folding over end of tube

DEFINITION

Classification: 493/157

By folding over end of tube:

(under subclass 156) Method or apparatus wherein the receptacle made has a generally elongated tubular body and wherein closing is accomplished by collapsing one end thereof and then bending the body to form a crease line to thereby close the body.