(19)

(11)

EP 4 255 816 A1

(12)

(43) Date of publication: 11.10.2023 Bulletin 2023/41 (21) Application number: 21819965.1 (22) Date of filing: 16.11.2021

(51) International Patent Classification (IPC):  B65D 1/02(2006.01) B65D 1/08(2006.01) B65D 50/04(2006.01) F16F 9/02(2006.01) (52) Cooperative Patent Classification (CPC): B65D 2215/02; B65D 50/048; B65D 1/0238; B65D 1/08; B65D 2501/0054; B65D 2221/00 (86) International application number: PCT/IB2021/060607 (87) International publication number: WO 2022/118124 (09.06.2022 Gazette 2022/23)

(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: 01.12.2020 IT 202000029300 (71) Applicant: Bisio Progetti S.p.a. 15121 Alessandria (IT)	(72) Inventor: ROSSI, Bruno 15121 Alessandria (IT) (74) Representative: Gualeni, Nadia  Jacobacci & Partners S.p.A. Piazza della Vittoria, 11 25122 Brescia 25122 Brescia (IT)