(19)

(11)

EP 1 017 517 A1

(12)

(43) Date of publication: 12.07.2000 Bulletin 2000/28 (21) Application number: 98928737.0 (22) Date of filing: 02.06.1998

(51) International Patent Classification (IPC)7: B21D 28/28 (86) International application number: PCT/SE9801/044 (87) International publication number: WO 9855/244 (10.12.1998 Gazette 1998/49)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB IE IT LI NL SE (30) Priority: 05.06.1997 SE 9702153 (71) Applicant: PM Teknik Handelsbolag 721 35 Västeras (SE)	(72) Inventor: CARLSSON, Pervi S-721 35 Väster s (SE) (74) Representative: Karlsson, Leif Karl Gunnar et al L.A. Groth & Co. KB,Box 6107 102 32 Stockholm 102 32 Stockholm (SE)