(19)

(11)

EP 4 312 703 A1

(12)

(43) Date of publication: 07.02.2024 Bulletin 2024/06 (21) Application number: 22719340.6 (22) Date of filing: 29.03.2022

(51) International Patent Classification (IPC):  A47L 15/44(2006.01) (52) Cooperative Patent Classification (CPC): A47L 15/4409 (86) International application number: PCT/IB2022/052871 (87) International publication number: WO 2022/208334 (06.10.2022 Gazette 2022/40)

(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 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: 31.03.2021 IT 202100008090 (71) Applicant: Eltek S.p.A. 15033 Casale Monferrato (AL) (IT)	(72) Inventors: ARMATO, Marta 15033 Casale Monferrato (Alessandria) (IT) CERRUTI, Daniele 15033 Casale Monferrato (Alessandria) (IT) SCIUTTO, Alberto 15033 Casale Monferrato (Alessandria) (IT) BIANCHI, Marco 15033 Casale Monferrato (Alessandria) (IT) (74) Representative: Gallarotti, Franco  Buzzi, Notaro & Antonielli d'Oulx S.p.A. Corso Vittorio Emanuele ll, 6 10123 Torino 10123 Torino (IT)