(19)

(11)

EP 4 304 786 A1

(12)

(43) Date of publication: 17.01.2024 Bulletin 2024/03 (21) Application number: 22713456.6 (22) Date of filing: 08.03.2022

(51) International Patent Classification (IPC):  B05B 14/00(2018.01) B05B 13/00(2006.01) (52) Cooperative Patent Classification (CPC): B05B 13/0484; B05B 16/95; B05B 14/46; B05B 14/43 (86) International application number: PCT/IB2022/052041 (87) International publication number: WO 2022/189961 (15.09.2022 Gazette 2022/37)

(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: 09.03.2021 IT 202100005504 (71) Applicant: Erretre S.p.A. 36071 Arzignano (Vicenza) (IT)	(72) Inventor: GALIOTTO, Antonio 36072 Chiampo (IT) (74) Representative: Contadin, Giorgio et al Notarbartolo & Gervasi S.p.A. Viale Achille Papa, 30 20149 Milano 20149 Milano (IT)