(19)

(11)

EP 4 228 978 A1

(12)

(43) Date of publication: 23.08.2023 Bulletin 2023/34 (21) Application number: 21798778.3 (22) Date of filing: 07.10.2021

(51) International Patent Classification (IPC):  B65D 41/34(2006.01) B65D 55/16(2006.01) B65D 51/24(2006.01) B65D 81/36(2006.01) (52) Cooperative Patent Classification (CPC): B65D 81/361; B65D 51/245; B65D 41/34; B65D 55/16 (86) International application number: PCT/IB2021/059193 (87) International publication number: WO 2022/079553 (21.04.2022 Gazette 2022/16)

(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: 13.10.2020 IT 202000024124 (71) Applicant: Guala Pack S.p.A. 15073 Castellazzo Bormida (AL) (IT)	(72) Inventor: BUZZI, Alberto 15073 Castellazzo Bormida, Alessandria (IT) (74) Representative: Pulieri, Gianluca Antonio  Jacobacci & Partners S.p.A. Piazza della Vittoria, 11 25122 Brescia 25122 Brescia (IT)