(19)

(11)

EP 4 536 056 A1

(12)

(43) Date of publication: 16.04.2025 Bulletin 2025/16 (21) Application number: 23734745.5 (22) Date of filing: 06.06.2023

(51) International Patent Classification (IPC):  A47L 15/44(2006.01) (52) Cooperative Patent Classification (CPC): A47L 15/4409 (86) International application number: PCT/IB2023/055823 (87) International publication number: WO 2023/238029 (14.12.2023 Gazette 2023/50)

(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: 07.06.2022 IT 202200012017 (71) Applicant: Eltek S.p.A. 15033 Casale Monferrato (AL) (IT)	(72) Inventors: ARMATO, Marta 15033 Casale Monferrato (Alessandria) (IT) BIANCHI, Marco 15033 Casale Monferrato (Alessandria) (IT) (74) Representative: Buzzi, Notaro & Antonielli d'Oulx S.p.A.  Corso Vittorio Emanuele II, 6 10123 Torino 10123 Torino (IT)