(19)

(11)

EP 3 389 885 A1

(12)

(43) Date of publication: 24.10.2018 Bulletin 2018/43 (21) Application number: 16831739.4 (22) Date of filing: 15.12.2016

(51) International Patent Classification (IPC):  B21C 35/04(2006.01) (86) International application number: PCT/IB2016/057640 (87) International publication number: WO 2017/103828 (22.06.2017 Gazette 2017/25)

(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 (30) Priority: 16.12.2015 IT UB20159680 (71) Applicant: Turla S.r.l. 25050 Paderno Franciacorta (BS) (IT)	(72) Inventor: TURLA, Davide 25069 Villa Carcina (BS) (IT) (74) Representative: Mittler, Andrea et al MITTLER & C. s.r.l. Viale Lombardia, 20 20131 Milano 20131 Milano (IT)