(19)

(11)

EP 1 611 295 A1

(12)

(43) Date of publication: 04.01.2006 Bulletin 2006/01 (21) Application number: 04724625.1 (22) Date of filing: 31.03.2004

(51) International Patent Classification (IPC):  E04C 3/293(1968.09) E04B 5/29(1968.09) (86) International application number: PCT/FI2004/000194 (87) International publication number: WO 2004/090253 (21.10.2004 Gazette 2004/43)

(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 PL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 10.04.2003 FI 20030145 U (71) Applicant: Teräspeikko Oy 15230 Lahti (FI)	(72) Inventor: TUOMINEN, Kari FI-15900 Lahti (FI) (74) Representative: Valkeiskangas, Tapio Lassi Paavali  Kolster Oy AB Iso Roobertinkatu 23, P.O. Box 148 00121 Helsinki 00121 Helsinki (FI)