US PATENT SUBCLASS 493 / 253
.~.~.~.~ Forming triangularly folded container surface

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}
250  DF  .~.~.~ By mandrel or plunger {3}
253.~.~.~.~ Forming triangularly folded container surface

DEFINITION

Classification: 493/253

Forming triangularly folded container surface:

(under subclass 250) Method or apparatus wherein the male forming member is of a configuration to be particularly adapted to give a shape to the sheet or web workpiece so that at least one portion of the product is planar and has three sides.