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(11)

EP 2 536 517 A1

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(43) Date of publication: 26.12.2012 Bulletin 2012/52 (21) Application number: 11703408.2 (22) Date of filing: 13.01.2011

(51) International Patent Classification (IPC):  B21F 27/12(2006.01) B21D 11/12(2006.01) (86) International application number: PCT/EP2011/050373 (87) International publication number: WO 2011/098316 (18.08.2011 Gazette 2011/33)

(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 (30) Priority: 15.02.2010 IT UD20100027 (71) Applicant: A.W.M. s.p.a. 33010 Magnano in Riviera (IT)	(72) Inventor: BERNARDINIS, Claudio I-33030 Buia (Udine) (IT) (74) Representative: Giugni, Valter et al Propria S.r.l. Via della Colonna 35 33170 Pordenone 33170 Pordenone (IT)