(19)

(11)

EP 4 251 330 A1

(12)

(43) Date of publication: 04.10.2023 Bulletin 2023/40 (21) Application number: 21834880.3 (22) Date of filing: 25.11.2021

(51) International Patent Classification (IPC):  B05B 7/12(2006.01) B05B 7/08(2006.01) B05B 7/06(2006.01) B05B 1/30(2006.01) (52) Cooperative Patent Classification (CPC): B05B 7/068; B05B 7/1209; B05B 7/1263; B05B 1/306; B05B 7/0838 (86) International application number: PCT/IB2021/060989 (87) International publication number: WO 2022/113001 (02.06.2022 Gazette 2022/22)

(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: 25.11.2020 IT 202000028433 (71) Applicants: AIRCOM SRL 10081 Castellamonte (TO) (IT) Barnini S.r.l. 56022 Castelfranco Di Sotto PI (IT)	(72) Inventors: GAMBOGI, Alessandro 10081 Castellamonte (TO) (IT) GROSSI, Roberto 56022 Castelfranco Di Sotto (PI) (IT) (74) Representative: Studio Torta S.p.A.  Via Viotti, 9 10121 Torino 10121 Torino (IT)