US 11,981,103 B2
End flap engagement assembly for erecting cartons and related systems and methods
Derek Schroeder, Xenia, OH (US)
Assigned to Graphic Packaging International, LLC, Atlanta, GA (US)
Filed by Graphic Packaging International, LLC, Atlanta, GA (US)
Filed on Dec. 21, 2021, as Appl. No. 17/557,200.
Claims priority of provisional application 63/129,060, filed on Dec. 22, 2020.
Prior Publication US 2022/0194043 A1, Jun. 23, 2022
Int. Cl. B31B 50/06 (2017.01); B31B 50/00 (2017.01); B31B 50/80 (2017.01); B31B 100/00 (2017.01); B31B 120/30 (2017.01)
CPC B31B 50/06 (2017.08) [B31B 50/0044 (2017.08); B31B 50/802 (2017.08); B31B 2100/00 (2017.08); B31B 2120/30 (2017.08)] 22 Claims
OG exemplary drawing
 
1. A method of at least partially erecting a carton with a carton forming system, the method comprising:
loading a blank in a blank infeed assembly of the system, the blank comprising a plurality of panels and a plurality of end flaps foldably connected to a respective panel of the plurality of panels;
positioning the blank on at least one conveyor assembly of the system;
operating the at least one conveyor assembly to move the blank in a downstream direction of the system toward a carton erection assembly of the system, the carton erection assembly comprising an end flap engagement assembly positioned adjacent the at least one conveyor assembly, the end flap engagement assembly comprises a hub member and an end flap engagement lug extending from the hub member; and
rotating the end flap engagement assembly such that the end flap engagement lug contacts and moves a first end flap and a second end flap of the plurality of end flaps of the blank as the blank moves in the downstream direction.