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(11)

EP 3 307 449 A1

(12)

(43) Date of publication: 18.04.2018 Bulletin 2018/16 (21) Application number: 16739561.5 (22) Date of filing: 09.06.2016

(51) International Patent Classification (IPC):  B21C 23/21(2006.01) F04C 2/10(2006.01) B21C 31/00(2006.01) (86) International application number: PCT/IB2016/053393 (87) International publication number: WO 2016/199055 (15.12.2016 Gazette 2016/50)

(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: 11.06.2015 IT UB20151224 (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)