(19)

(11)

EP 4 069 600 A1

(12)

(43) Date of publication: 12.10.2022 Bulletin 2022/41 (21) Application number: 20897146.5 (22) Date of filing: 26.11.2020

(51) International Patent Classification (IPC):  B65D 5/468(2006.01) B65D 5/10(2006.01) B65D 5/66(2006.01) B65D 5/02(2006.01) B65D 5/36(2006.01) (52) Cooperative Patent Classification (CPC): B65D 5/4608; B65D 5/0281; B65D 5/6605 (86) International application number: PCT/IB2020/061188 (87) International publication number: WO 2021/111261 (10.06.2021 Gazette 2021/23)

(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: 03.12.2019 SE 1951378 (71) Applicant: Stora Enso Oyj 00101 Helsinki (FI)	(72) Inventor: MAGNUSSON, Pär 511 31 Örby (SE) (74) Representative: Steinrud, Henrik  Stora Enso AB Group Intellectual Property Box 9090 65009 Karlstad 65009 Karlstad (SE)