(19)

(11)

EP 4 561 936 A1

(12)

(43) Date of publication: 04.06.2025 Bulletin 2025/23 (21) Application number: 23786315.4 (22) Date of filing: 12.09.2023

(51) International Patent Classification (IPC):  B67B 3/12(2006.01) B67B 3/20(2006.01) (52) Cooperative Patent Classification (CPC): B67B 3/12; B67B 3/2033; B67B 2201/10; B67B 3/2066 (86) International application number: PCT/IB2023/059021 (87) International publication number: WO 2024/057197 (21.03.2024 Gazette 2024/12)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 12.09.2022 IT 202200018609 (71) Applicant: Arol S.p.A. 14053 Canelli AT (IT)	(72) Inventors: PETRINI, Cesare 14053 Canelli (AT) (IT) SCAGLIONE, Massimiliano 14053 Canelli (AT) (IT) SFORZINI, Matteo 14053 Canelli (AT) (IT) (74) Representative: Robba, Pierpaolo  Interpatent S.R.L. Via Caboto, 35 10129 Torino 10129 Torino (IT)