(19)

(11)

EP 4 500 564 A1

(12)

(43) Date of publication: 05.02.2025 Bulletin 2025/06 (21) Application number: 23727068.1 (22) Date of filing: 31.03.2023

(51) International Patent Classification (IPC):  H01F 41/08(2006.01) B65H 65/00(2006.01) (52) Cooperative Patent Classification (CPC): H01F 41/08; B65H 49/32; B65H 54/72 (86) International application number: PCT/IB2023/053218 (87) International publication number: WO 2023/187726 (05.10.2023 Gazette 2023/40)

(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: 31.03.2022 IT 202200006395 (71) Applicant: BF S.r.l. 36070 Castelgomberto (VI) (IT)	(72) Inventor: FABRIS, Massimo 36070 Castelgomberto (VI) (IT) (74) Representative: Leganza, Alessandro  Via Sottopasso, 14 36040 Torri di Quartesolo (VI) 36040 Torri di Quartesolo (VI) (IT)