(19)

(11)

EP 1 495 148 A1

(12)

(43) Date of publication: 12.01.2005 Bulletin 2005/02 (21) Application number: 03746311.4 (22) Date of filing: 11.04.2003

(51) International Patent Classification (IPC)7: C14B 17/02, C14B 1/04, C14B 1/10 (86) International application number: PCT/FI2003/000275 (87) International publication number: WO 2003/087413 (23.10.2003 Gazette 2003/43)

(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 PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 12.04.2002 FI 20020709 (71) Applicant: Oy Erco-Mek AB 65450 Solf (FI)	(72) Inventor: ANDTSJÖ, Göran FIN-65230 Vasa (FI) (74) Representative: Eriksson, Svante Johan Christer et al Oy Jalo Ant-Wuorinen AbIso Roobertinkatu 4-6 A 00120 Helsinki 00120 Helsinki (FI)