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(11)

EP 3 148 723 A1

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(43) Date of publication: 05.04.2017 Bulletin 2017/14 (21) Application number: 15732374.2 (22) Date of filing: 18.05.2015

(51) International Patent Classification (IPC):  B21D 28/06(2006.01) B21D 43/11(2006.01) B21D 51/44(2006.01) (86) International application number: PCT/IB2015/053641 (87) International publication number: WO 2015/181672 (03.12.2015 Gazette 2015/48)

(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 (30) Priority: 27.05.2014 IT MO20140151 (71) Applicant: SACMI Cooperativa Meccanici Imola Società Cooperativa 40026 Imola (BO) (IT)	(72) Inventors: ALBONETTI, Danilo I-40026 Imola (Bologna) (IT) BERGAMI, Stefano I-40024 Castel San Pietro Terme (BO) (IT) MIRRI, Marco I-48024 Massalombarda (Ravenna) (IT) SALLIONI, Andrea I-40062 Molinella (Bologna) (IT) (74) Representative: Villanova, Massimo et al Luppi Crugnola & Partners S.r.l. Viale Corassori, 54 41124 Modena 41124 Modena (IT)