(19)

(11)

EP 1 706 225 A2

(12)

(88) Date of publication A3: 14.07.2005 (43) Date of publication: 04.10.2006 Bulletin 2006/40 (21) Application number: 05702271.7 (22) Date of filing: 18.01.2005

(51) International Patent Classification (IPC):  B21C 47/30(2006.01) (86) International application number: PCT/IB2005/000109 (87) International publication number: WO 2005/042179 (12.05.2005 Gazette 2005/19)

(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 MC NL PL PT RO SE SI SK TR (30) Priority: 19.01.2004 IT UD20040006 (71) Applicant: Danieli & C. Officine Meccaniche SpA 33042 Buttrio (Udine) (IT)	(72) Inventors: BORDIGNON, Giuseppe I-33050 Bicinicco (IT) PAIARO, Ivan I-34077 Ronchi Dei Legionari (IT) DE LUCA, Andrea I-33047 Remanzacco (IT) POLONI, Alfredo I-34070 Fogliano Redipuglia (IT) (74) Representative: Petraz, Gilberto Luigi et al GLP S.r.l. Piazzale Cavedalis 6/2 33100 Udine 33100 Udine (IT)