(19)

(11)

EP 4 304 946 A1

(12)

(43) Date of publication: 17.01.2024 Bulletin 2024/03 (21) Application number: 21930551.3 (22) Date of filing: 10.03.2021

(51) International Patent Classification (IPC):  B65D 21/024(2006.01) B65D 25/14(2006.01) B65D 21/02(2006.01) B65D 25/36(2006.01) (52) Cooperative Patent Classification (CPC): Y02W 30/80; B65D 21/0205; B65D 21/0208 (86) International application number: PCT/US2021/021710 (87) International publication number: WO 2022/191834 (15.09.2022 Gazette 2022/37)

(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 (71) Applicant: Amcor Flexibles North America, Inc. Neenah, WI 54956 (US)	(72) Inventors: DIETRICH, Christoph Neenah, WI 54957 (US) ENGELHART, Rik Neenah, WI 54957 (US) BIJSTERBOSCH, Albert Neenah, WI 54957 (US) (74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB  Siebertstraße 3 81675 München 81675 München (DE)