(19)

(11)

EP 4 028 336 A1

(12)

(43) Date of publication: 20.07.2022 Bulletin 2022/29 (21) Application number: 20775081.1 (22) Date of filing: 11.09.2020

(51) International Patent Classification (IPC):  B65D 71/00(2006.01) (52) Cooperative Patent Classification (CPC): B65D 71/46; B65D 71/42 (86) International application number: PCT/NL2020/050565 (87) International publication number: WO 2021/049939 (18.03.2021 Gazette 2021/11)

(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: 13.09.2019 EP 19197360 (71) Applicant: Smurfit Kappa Development Centre B.V. 7903 AC Hoogeveen (NL)	(72) Inventors: VAN DE VEGTE, Jacob Albert Mark 7903 AC Hoogeveen (NL) TATLA, Amrik Singh 7903 AC Hoogeveen (NL) MEIJER, Jan 7903 AC Hoogeveen (NL) (74) Representative: V.O.  P.O. Box 87930 2508 DH Den Haag 2508 DH Den Haag (NL)