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EP 4 544 252 A1

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(43) Date of publication: 30.04.2025 Bulletin 2025/18 (21) Application number: 23736203.3 (22) Date of filing: 22.06.2023

(51) International Patent Classification (IPC):  F28D 9/00(2006.01) F28F 9/02(2006.01) F28F 27/02(2006.01) F28D 21/00(2006.01) F28F 9/26(2006.01) F01M 5/00(2006.01) (52) Cooperative Patent Classification (CPC): F28D 9/005; F28D 2021/0089; F28F 9/26; F28F 9/0246; F28F 27/02; F28F 2250/06; F28F 2280/06; F01M 5/002; F01M 5/007 (86) International application number: PCT/IB2023/056458 (87) International publication number: WO 2023/248172 (28.12.2023 Gazette 2023/52)

(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: 22.06.2022 IT 202200013207 (71) Applicant: UFI Innovation Center S.r.l. 38061 Ala (TN) (IT)	(72) Inventor: GIRONDI, Giorgio 38061 Ala (TN) (IT) (74) Representative: Gamba, Alessandro et al Jacobacci & Partners S.p.A. Piazza della Vittoria, 11 25122 Brescia 25122 Brescia (IT)