(19)

(11)

EP 1 250 201 A1

(12)

(43) Date of publication: 23.10.2002 Bulletin 2002/43 (21) Application number: 00980182.0 (22) Date of filing: 15.11.2000

(51) International Patent Classification (IPC)7: B21D 26/02 (86) International application number: PCT/SE0002/235 (87) International publication number: WO 0103/6123 (25.05.2001 Gazette 2001/21)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 17.11.1999 SE 9904151 17.11.1999 US 165936 P (71) Applicant: Industriellt Utvecklingscenter Dalarna AB 781 27 Borlänge (SE)	(72) Inventor: ERICSON, Jan S-781 35 Borlänge (SE) (74) Representative: Hedman, Anders et al Aros Patent ABP.O. Box 1544 751 45 Uppsala 751 45 Uppsala (SE)