(19)

(11)

EP 3 775 407 A1

(12)

(43) Date of publication: 17.02.2021 Bulletin 2021/07 (21) Application number: 19721102.2 (22) Date of filing: 28.03.2019

(51) International Patent Classification (IPC):  E02F 9/20(2006.01) E02F 9/16(2006.01) (86) International application number: PCT/IB2019/052538 (87) International publication number: WO 2019/186449 (03.10.2019 Gazette 2019/40)

(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: 29.03.2018 IT 201800004078 (71) Applicant: G.A.P. S.p.A. 24060 Sovere (Bergamo) (IT)	(72) Inventor: ZUCCHI, Francesco 24060 Sovere (Bergamo) (IT) (74) Representative: Inchingalo, Simona  Bugnion S.p.A. Viale Lancetti, 17 20158 Milano 20158 Milano (IT)