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(11)

EP 1 825 008 A1

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(43) Date of publication: 29.08.2007 Bulletin 2007/35 (21) Application number: 05819784.9 (22) Date of filing: 21.10.2005

(51) International Patent Classification (IPC):  C21D 8/06(2006.01) B21B 45/02(2006.01) C21D 9/00(2006.01) (86) International application number: PCT/IB2005/003132 (87) International publication number: WO 2006/043156 (27.04.2006 Gazette 2006/17)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 21.10.2004 IT MI20042002 (71) Applicant: DANIELI & C. OFFICINE MECCANICHE S.p.A. 35042 Buttrio (UD) (IT)	(72) Inventors: TOSCHI, Francesco I-48100 Ravenna (IT) PAOLONE, Rolando I-33042 Buttrio (IT) (74) Representative: Cinquantini, Bruno et al Notarbartolo & Gervasi S.p.A, Corso di Porta Vittoria 9 20122 Milan 20122 Milan (IT)