(19)

(11)

EP 3 975 765 A1

(12)

(43) Date of publication: 06.04.2022 Bulletin 2022/14 (21) Application number: 20730328.0 (22) Date of filing: 26.05.2020

(51) International Patent Classification (IPC):  A24D 1/20(2020.01) A24C 5/01(2020.01) A24D 1/22(2020.01) (52) Cooperative Patent Classification (CPC): A24D 1/20; A24D 1/22; A24C 5/01 (86) International application number: PCT/IB2020/054956 (87) International publication number: WO 2020/240405 (03.12.2020 Gazette 2020/49)

(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: 31.05.2019 IT 201900007674 (71) Applicant: G.D S.p.A. 40133 Bologna (IT)	(72) Inventors: ESPOSTI, Marco 40133 BOLOGNA (IT) BALDANZA, Nicola 40133 BOLOGNA (IT) EUSEPI, Ivan 40133 BOLOGNA (IT) BENNI, Gabriele 40133 BOLOGNA (IT) GAMBERINI, Giuliano 40133 BOLOGNA (IT) (74) Representative: Bianciardi, Ezio  Bugnion S.p.A. Via di Corticella, 87 40128 Bologna 40128 Bologna (IT)