(19)

(11)

EP 3 380 245 A1

(12)

(43) Date of publication: 03.10.2018 Bulletin 2018/40 (21) Application number: 15820610.2 (22) Date of filing: 26.11.2015

(51) International Patent Classification (IPC):  B02C 4/06(2006.01) B02C 4/42(2006.01) (86) International application number: PCT/IB2015/059148 (87) International publication number: WO 2017/089870 (01.06.2017 Gazette 2017/22)

(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: MA MD (71) Applicant: Omas Srl 35010 Arsego di S.Giorgio delle Pertiche (PD) (IT)	(72) Inventor: NALON, Adriano I-35010 Arsego di S.Giorgio Delle Pertiche (PD) (IT) (74) Representative: Locas, Davide et al Cantaluppi & Partners S.r.l. Piazzetta Cappellato Pedrocchi, 18 35122 Padova 35122 Padova (IT)