(19)

(11)

EP 2 035 161 A1

(12)

(43) Date of publication: 18.03.2009 Bulletin 2009/12 (21) Application number: 06764439.3 (22) Date of filing: 19.06.2006

(51) International Patent Classification (IPC):  B21D 5/06(2006.01) (86) International application number: PCT/FI2006/000213 (87) International publication number: WO 2008/003813 (10.01.2008 Gazette 2008/02)

(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 Designated Extension States: AL BA HR MK RS (71) Applicant: Toivanen, Erkki 01300 Vantaa (FI)	(72) Inventor: Toivanen, Erkki 01300 Vantaa (FI) (74) Representative: Pitkänen, Hannu Alpo Antero  Patenttitoimisto Pitkänen Oy P.O. Box 1188 70211 Kuopio 70211 Kuopio (FI)