(19)

(11)

EP 1 507 939 A1

(12)

(43) Date of publication: 23.02.2005 Bulletin 2005/08 (21) Application number: 03725252.5 (22) Date of filing: 23.05.2003

(51) International Patent Classification (IPC)7: E04C 3/293, E04C 3/07, E04B 5/29 (86) International application number: PCT/FI2003/000399 (87) International publication number: WO 2003/100187 (04.12.2003 Gazette 2003/49)

(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: 29.05.2002 FI 20021010 (71) Applicant: Teräspeikko Oy 15230 Lahti (FI)	(72) Inventor: TUOMINEN, Kari FIN-15900 Lahti (FI) (74) Representative: Valkeiskangas, Tapio  Kolster Oy AB, Iso Roobertinkatu 23, P.O. Box 148 00121 Helsinki 00121 Helsinki (FI)