US PATENT SUBCLASS 493 / 178
.~.~.~ Work moving parallel to fold line during folding

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}
162  DF  .~.~ Folding {7}
178.~.~.~ Work moving parallel to fold line during folding {1}
179  DF  .~.~.~.~> On endless conveyor belt or chain

DEFINITION

Classification: 493/178

Work moving parallel to fold line during folding:

(under subclass 162) Method or apparatus wherein the sheet or web workpiece is caused to travel in the same direction as the line along which it is creased, as the crease line is formed.