(19)

(11)

EP 1 180 187 A1

(12)

(43) Date of publication: 20.02.2002 Bulletin 2002/08 (21) Application number: 00929575.9 (22) Date of filing: 23.05.2000

(51) International Patent Classification (IPC)7: E04C 3/04 (86) International application number: PCT/FI0000/464 (87) International publication number: WO 0071/831 (30.11.2000 Gazette 2000/48)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 24.05.1999 FI 990238 U (71) Applicant: Teräspeikko Oy 15230 Lahti (FI)	(72) Inventor: TUOMINEN, Kari FIN-15900 Lahti (FI) (74) Representative: Valkeiskangas, Tapio Lassi Paavali  Oy Kolster Ab, Iso Roobertinkatu 23, P.O. Box 148 00121 Helsinki 00121 Helsinki (FI)