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EP 4 346 398 A1

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(43) Date of publication: 10.04.2024 Bulletin 2024/15 (21) Application number: 21743288.9 (22) Date of filing: 26.05.2021

(51) International Patent Classification (IPC):  A01M 7/00(2006.01) B05B 7/00(2006.01) A01M 9/00(2006.01) B05B 11/00(2006.01) (52) Cooperative Patent Classification (CPC): A01M 7/0021; A01M 7/0092; A01M 9/0046; A01M 9/0092; B05B 7/0075; B05B 7/0081; B05B 7/1281; B05B 7/2475; B05B 3/04 (86) International application number: PCT/IT2021/000025 (87) International publication number: WO 2022/249206 (01.12.2022 Gazette 2022/48)

(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 (71) Applicant: Cifarelli S.p.A. 27058 Voghera (Pavia) (IT)	(72) Inventor: CIFARELLI, Roberto 27058 VOGHERA (PAVIA) (IT) (74) Representative: Tarabbia, Luigi  Bugnion S.p.A Viale Lancetti, 17 20158 Milano 20158 Milano (IT)