US PATENT SUBCLASS 493 / 154
.~.~.~ By use of conical former (e.g., pleating, etc.)


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}
154.~.~.~ By use of conical former (e.g., pleating, etc.) {1}
155  DF  .~.~.~.~> Rotary former


DEFINITION

Classification: 493/154

By use of conical former (e.g., pleating, etc.):

(under subclass 152) Method or apparatus including use of a member to give shape to a receptacle, which member includes a surface of a tapered shape which may be described as generated by a line extending from and pivoting about a point and following a circle that is normal to another line extending from the point to the center of the circle.