(19)

(11)

EP 3 972 906 A1

(12)

(43) Date of publication: 30.03.2022 Bulletin 2022/13 (21) Application number: 20730812.3 (22) Date of filing: 14.05.2020

(51) International Patent Classification (IPC):  B65B 11/10(2006.01) B65B 21/24(2006.01) (52) Cooperative Patent Classification (CPC): B65B 11/105; B65B 21/242 (86) International application number: PCT/US2020/032913 (87) International publication number: WO 2020/236519 (26.11.2020 Gazette 2020/48)

(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: 20.05.2019 US 201916416516 (71) Applicant: WestRock Packaging Systems, LLC Atlanta GA 30328 (US)	(72) Inventors: BONNAIN, Jean-Christophe 36000 Chateauroux (FR) DAVAILLON, Emmanuel 36000 Chateauroux (FR) (74) Representative: Rule, John Eric et al Coulson & Rule 13 Whitehall Road Rugby, Warwickshire CV21 3AE Rugby, Warwickshire CV21 3AE (GB)