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(11)

EP 4 384 722 A1

(12)

(43) Date of publication: 19.06.2024 Bulletin 2024/25 (21) Application number: 22773331.8 (22) Date of filing: 10.08.2022

(51) International Patent Classification (IPC):  F16B 33/00(2006.01) F16B 35/06(2006.01) F16B 35/04(2006.01) F16B 1/00(2006.01) (52) Cooperative Patent Classification (CPC): F16B 33/004; F16B 35/041; F16B 35/06; F16B 2200/95 (86) International application number: PCT/IT2022/050233 (87) International publication number: WO 2023/017553 (16.02.2023 Gazette 2023/07)

(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: 12.08.2021 IT 202100021842 (71) Applicant: Aluvetro S.r.l. 25034 Orzinuovi (BS) (IT)	(72) Inventors: BONOMETTI, Gianluca 25035 Ospitaletto (BS) (IT) PIMAZZONI, Simone 25030 Castel Mella (BS) (IT) (74) Representative: Montebelli, Marco  Brema S.r.l. Piazza E. Enriquez, 22C 47891 Dogana 47891 Dogana (SM)