(19)

(11)

EP 3 941 645 A1

(12)

(43) Date of publication: 26.01.2022 Bulletin 2022/04 (21) Application number: 20742839.2 (22) Date of filing: 19.03.2020

(51) International Patent Classification (IPC):  B05B 12/14(2006.01) E01B 19/00(2006.01) B05B 13/02(2006.01) B05B 13/00(2006.01) B61K 3/00(2006.01) (52) Cooperative Patent Classification (CPC): E01B 31/02; B61D 15/00; B05B 13/0278; B05B 13/005; B05B 12/14 (86) International application number: PCT/IB2020/052542 (87) International publication number: WO 2020/188517 (24.09.2020 Gazette 2020/39)

(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: 20.03.2019 IT 201900004083 (71) Applicant: Dipsa Technes S.r.l. 40013 Castel Maggiore (Bologna) (IT)	(72) Inventor: ODORICI, Fausto 40013 Castel Maggiore (Bologna) (IT) (74) Representative: Fuochi, Riccardo  APTA S.r.l. Piazza dei Martiri, 1 40121 Bologna BO 40121 Bologna BO (IT)