(19)

(11)

EP 4 408 753 A2

(12)

(88) Date of publication A3: 08.06.2023 (43) Date of publication: 07.08.2024 Bulletin 2024/32 (21) Application number: 22797188.4 (22) Date of filing: 29.09.2022

(51) International Patent Classification (IPC):  B65B 21/24(2006.01) B65D 71/42(2006.01) B65B 59/00(2006.01) (52) Cooperative Patent Classification (CPC): B65D 71/42; B65B 21/24; B65B 59/003 (86) International application number: PCT/US2022/045233 (87) International publication number: WO 2023/055936 (06.04.2023 Gazette 2023/14)

(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: 30.09.2021 US 202163250821 P (71) Applicant: WestRock Packaging Systems, LLC Atlanta GA 30328 (US)	(72) Inventors: BONNAIN, Jean-Christophe 36000 Châteauroux (FR) MERZEAU, Julien 36000 Châteauroux (FR) ZACHERLE, Matthew E. Moseley, Virginia 23120 (US) (74) Representative: Rule, John Eric et al Coulson & Rule 13 Whitehall Road Rugby, Warwickshire CV21 3AE Rugby, Warwickshire CV21 3AE (GB)