(19)

(11)

EP 2 146 811 A2

(12)

(88) Date of publication A3: 18.12.2008 (43) Date of publication: 27.01.2010 Bulletin 2010/04 (21) Application number: 08736181.2 (22) Date of filing: 14.04.2008

(51) International Patent Classification (IPC):  B21D 28/26(2006.01) (86) International application number: PCT/EP2008/054478 (87) International publication number: WO 2008/128914 (30.10.2008 Gazette 2008/44)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 24.04.2007 IT VE20070026 (71) Applicant: DALLAN S.P.A. 31033 Castelfranco Veneto (IT)	(72) Inventor: DALLAN, Sergio I-31033 Castelfranco Veneto (IT) (74) Representative: Piovesana, Paolo  Via F. Baracca, 5/a 30173 Venezia-Mestre 30173 Venezia-Mestre (IT)