(19)

(11)

EP 4 313 782 A1

(12)

(43) Date of publication: 07.02.2024 Bulletin 2024/06 (21) Application number: 22774455.4 (22) Date of filing: 22.03.2022

(51) International Patent Classification (IPC):  B65D 5/24(2006.01) B65D 5/36(2006.01) (52) Cooperative Patent Classification (CPC): B65D 5/24; B65D 5/36 (86) International application number: PCT/IB2022/052582 (87) International publication number: WO 2022/201010 (29.09.2022 Gazette 2022/39)

(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: 26.03.2021 SE 2150374 (71) Applicant: Stora Enso Oyj 00101 Helsinki (FI)	(72) Inventor: AXELSSON, Daniel 553 14 Jönköping (SE) (74) Representative: Steinrud, Henrik  Stora Enso AB Group Intellectual Property Box 9090 65009 Karlstad 65009 Karlstad (SE)