US 12,447,711 B2
Corrugating rollers
James Arne Boshaw, Bellevue, WA (US); Paul Matthew Neal, Fairfield, OH (US); Brian Andrew Kendall, Maineville, OH (US); and Murray Fullerton, Papakura (NZ)
Assigned to PAC Worldwide Corporation, Redmond, WA (US)
Filed by PAC WORLDWIDE CORPORATION, Redmond, WA (US)
Filed on Jul. 9, 2021, as Appl. No. 17/372,351.
Claims priority of provisional application 63/127,911, filed on Dec. 18, 2020.
Claims priority of provisional application 63/051,077, filed on Jul. 13, 2020.
Prior Publication US 2022/0009193 A1, Jan. 13, 2022
Int. Cl. B31F 1/28 (2006.01); B31B 70/00 (2017.01); B65D 65/40 (2006.01); B31B 170/30 (2017.01)
CPC B31F 1/2863 (2013.01) [B31B 70/252 (2017.08); B65D 65/403 (2013.01); B31B 2170/30 (2017.08); B31F 2201/0733 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A corrugating roller configured to, in operation, corrugate paper materials for use in forming shiping containers, comprising:
an outer surface;
a first end and a second end opposite to the first end;
at least three first groups of flutes at and along at least three first areas of the outer surface, each respective first group of flutes of the at least three first groups of flutes having a first height, each respective first group of flutes of the at least three first group of flutes are configured to, in operation, corrugate paper materials, and each respective first group of flutes of the at least three first groups of flutes extend continuously along the outer surface from the first end to the second end; and
at least three second groups of flutes at and along at least three second areas of the outer surface, each respective second group of flutes of the at least three second groups of flutes having a second height that is less than the first height, each respective second group of flutes of the at least three second groups of flutes are configured to, in operation, corrugate paper materials, and each respective second group of flutes of the at least three second groups of flutes extend continuously along the outer surface from the first end to the second end;
wherein each respective first area of the at least three first areas are larger than each respective second area of the at least three second areas, each respective first area of the at least three first areas are fully and completely separated from each other by each respective second area of the at least three second areas, and each respective second area of the at least three second areas are fully and completely separated from each other by each respcetive first area of the at least three first areas.