(19)

(11)

EP 3 169 757 A1

(12)

(43) Date of publication: 24.05.2017 Bulletin 2017/21 (21) Application number: 14781678.9 (22) Date of filing: 14.07.2014

(51) International Patent Classification (IPC):  C10M 103/06(2006.01) C21D 7/06(2006.01) B24C 1/10(2006.01) (86) International application number: PCT/IT2014/000189 (87) International publication number: WO 2016/009453 (21.01.2016 Gazette 2016/03)

(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 (71) Applicant: Italtractor ITM S.p.A. 40053 Valsamoggia (IT)	(72) Inventor: CALIA, Eustachio I-75100 Matera (IT) (74) Representative: Modiano, Micaela Nadia et al Modiano & Partners Via Meravigli, 16 20123 Milano 20123 Milano (IT)