(19)

(11)

EP 1 753 889 A1

(12)

(43) Date of publication: 21.02.2007 Bulletin 2007/08 (21) Application number: 04748593.3 (22) Date of filing: 19.05.2004

(51) International Patent Classification (IPC):  C22C 38/08(2006.01) C22C 38/12(2006.01) C22C 38/10(2006.01) C21D 8/00(2006.01) (86) International application number: PCT/NL2004/000357 (87) International publication number: WO 2005/111253 (24.11.2005 Gazette 2005/47)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (71) Applicant: ROBERT BOSCH GMBH 70442 Stuttgart (DE)	(72) Inventors: CREBOLDER, Cornelia, Adriana, Elizabeth NL-4708 NN Roosendaal (NL) PENNINGS, Bert NL-5052 CH Goirle (NL) (74) Representative: Plevier, Gabriel Anton Johan Maria  Van Doorne's Transmissie B.V., Patents Department, Postbus 500 5000 AM Tilburg 5000 AM Tilburg (NL)