(19)

(11)

EP 1 381 479 A2

(12)

(88) Date of publication A3: 28.08.2003 (43) Date of publication: 21.01.2004 Bulletin 2004/04 (21) Application number: 02727331.7 (22) Date of filing: 26.02.2002

(51) International Patent Classification (IPC)7: B21D 39/03 (86) International application number: PCT/EP2002/002033 (87) International publication number: WO 2002/068139 (06.09.2002 Gazette 2002/36)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (30) Priority: 26.02.2001 SE 0100667 (71) Applicant: Attexor Clinch Systems S.A. 1024 Ecublens (CH)	(72) Inventor: DUBUGNON, Olivier CH-1115 Vullierens (CH) (74) Representative: Johansson, Lars-Erik  Patech SarlChemin du College 1168 Villars-sous-Yens 1168 Villars-sous-Yens (CH)