(19)

(11)

EP 3 897 240 A1

(12)

(43) Date of publication: 27.10.2021 Bulletin 2021/43 (21) Application number: 19828179.2 (22) Date of filing: 17.12.2019

(51) International Patent Classification (IPC):  A24D 3/02(2006.01) (52) Cooperative Patent Classification (CPC): A24D 3/0204; A24D 3/0245; A24D 3/0279 (86) International application number: PCT/IB2019/060914 (87) International publication number: WO 2020/128827 (25.06.2020 Gazette 2020/26)

(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: 18.12.2018 IT 201800020083 (71) Applicant: G.D S.p.A. 40133 Bologna (IT)	(72) Inventors: EUSEPI, Ivan 40133 Bologna (IT) ESPOSTI, Marco 40133 Bologna (IT) BALDANZA, Nicola 40133 Bologna (IT) BENNI, Gabriele 40133 Bologna (IT) GAMBERINI, Giuliano 40133 Bologna (IT) SARTONI, Massimo 40133 Bologna (IT) (74) Representative: Bianciardi, Ezio  Bugnion S.p.A. Via di Corticella, 87 40128 Bologna 40128 Bologna (IT)