(19)

(11)

EP 4 313 795 A1

(12)

(43) Date of publication: 07.02.2024 Bulletin 2024/06 (21) Application number: 22718012.2 (22) Date of filing: 31.03.2022

(51) International Patent Classification (IPC):  B65D 71/42(2006.01) B65D 71/44(2006.01) B65B 17/02(2006.01) (52) Cooperative Patent Classification (CPC): B65D 71/42; B65D 71/44 (86) International application number: PCT/US2022/022715 (87) International publication number: WO 2022/212623 (06.10.2022 Gazette 2022/40)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 01.04.2021 US 202163169280 P (71) Applicant: WestRock Packaging Systems, LLC Atlanta GA 30328 (US)	(72) Inventor: CHESNET, Lauren N. Henrico, Virginia 23220 (US) (74) Representative: Rule, John Eric et al Coulson & Rule 13 Whitehall Road Rugby, Warwickshire CV21 3AE Rugby, Warwickshire CV21 3AE (GB)