(19)

(11)

EP 4 241 032 A1

(12)

(43) Date of publication: 13.09.2023 Bulletin 2023/37 (21) Application number: 21802439.6 (22) Date of filing: 03.11.2021

(51) International Patent Classification (IPC):  F28D 9/00(2006.01) F28F 3/02(2006.01) (52) Cooperative Patent Classification (CPC): F28D 9/005; F28D 9/0075; F28F 3/022 (86) International application number: PCT/IB2021/060159 (87) International publication number: WO 2022/097031 (12.05.2022 Gazette 2022/19)

(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: 04.11.2020 IT 202000026251 (71) Applicant: IBS Technology S.p.A. 21049 Tradate (VA) (IT)	(72) Inventors: BASSANI, Giorgio 21049 Tradate (VA) (IT) CANDIANI, Giuseppe 21049 Tradate (VA) (IT) FERRARESE, Alessandro 21049 Tradate (VA) (IT) (74) Representative: Brunacci, Marco  BRUNACCI & PARTNERS S.r.l. Via Pietro Giardini, 625 41125 Modena (MO) 41125 Modena (MO) (IT)