(19)

(11)

EP 1 830 976 A2

(12)

(88) Date of publication A3: 26.10.2006 (43) Date of publication: 12.09.2007 Bulletin 2007/37 (21) Application number: 05855345.4 (22) Date of filing: 27.12.2005

(51) International Patent Classification (IPC):  B21J 5/04(2006.01) (86) International application number: PCT/US2005/046764 (87) International publication number: WO 2006/071766 (06.07.2006 Gazette 2006/27)

(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: 27.12.2004 US 639247 P 19.12.2005 US 312248 (71) Applicant: DANA CORPORATION Toledo, OH 43615 (US)	(72) Inventor: YABLOCHNIKOV, Boris, A. Toledo, Ohio 43617 (US) (74) Representative: Cheyne, John Robert Alexander M.  HASELTINE LAKE, Redcliff Quay 120 Redcliff Street Bristol BS1 6HU Bristol BS1 6HU (GB)