US 12,454,398 B2
Wrapped paperboard packaging
Brandon L. Begrow, Hortonville, WI (US); and Daniel J. Rivers, Appleton, WI (US)
Assigned to Great Northern Corporation, Appleton, WI (US)
Filed by Great Northern Corporation, Appleton, WI (US)
Filed on Sep. 19, 2023, as Appl. No. 18/470,085.
Application 18/470,085 is a continuation of application No. 17/943,158, filed on Sep. 12, 2022, granted, now 11,794,458.
Application 17/943,158 is a continuation of application No. 16/569,238, filed on Sep. 12, 2019.
Claims priority of provisional application 62/730,411, filed on Sep. 12, 2018.
Prior Publication US 2024/0001662 A1, Jan. 4, 2024
Int. Cl. B65D 81/05 (2006.01); B31D 5/00 (2017.01); B31D 5/04 (2017.01); B32B 1/00 (2006.01); B32B 3/04 (2006.01); B32B 29/00 (2006.01); B65D 65/40 (2006.01); B32B 37/12 (2006.01)
CPC B65D 81/054 (2013.01) [B31D 5/006 (2013.01); B31D 5/04 (2013.01); B32B 1/00 (2013.01); B32B 3/04 (2013.01); B32B 29/005 (2013.01); B65D 65/40 (2013.01); B32B 37/12 (2013.01); B32B 2250/26 (2013.01); B32B 2553/00 (2013.01); B65D 2581/053 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of manufacturing a packaging structure, the packaging structure including: (i) a first ply having a first end, a second end, and a first width extending between the first end and the second end, (ii) a plurality of second plies including one second ply and another second ply, each second ply having a second width, and (iii) a third ply having a third width, the third width being greater than the first width and greater than the second width, the method comprising:
adhering the first ply, the one second ply, the another second ply, and the third ply;
wrapping the one second ply around the first end of the first ply and not the second end of the first ply;
wrapping the another second ply around the second end of the first ply and not the first end of the first ply;
wrapping the third ply around the first ply and the plurality of second plies to form a flat paperboard structure of approximately the first width; and
bending the flat paperboard structure to form the packaging structure.