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(11)

EP 4 384 715 A1

(12)

(43) Date of publication: 19.06.2024 Bulletin 2024/25 (21) Application number: 22757597.4 (22) Date of filing: 01.08.2022

(51) International Patent Classification (IPC):  F15B 11/15(2006.01) F15B 13/02(2006.01) F15B 11/044(2006.01) (52) Cooperative Patent Classification (CPC): F15B 2211/7053; F15B 11/0445; F15B 11/15; F15B 13/029; F15B 2211/5059; F15B 2211/6355; F15B 2211/635; F15B 2211/7716 (86) International application number: PCT/EP2022/071552 (87) International publication number: WO 2023/016840 (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: 10.08.2021 IT 202100021647 (71) Applicant: OMT Group S.p.A. 24040 Calvenzano (BG) (IT)	(72) Inventor: CHIARI, Fiorenzo 24040 PONTIROLO NUOVO (BERGAMO) (IT) (74) Representative: Forattini, Amelia  INTERNAZIONALE BREVETTI INGG. ZINI, MARANESI & C. S.R.L. Piazza Castello 1 20121 MILANO 20121 MILANO (IT)