(19)

(11)

EP 1 966 445 A1

(12)

(43) Date of publication: 10.09.2008 Bulletin 2008/37 (21) Application number: 06830941.8 (22) Date of filing: 20.12.2006

(51) International Patent Classification (IPC):  E02D 5/52(2006.01) E04B 1/21(2006.01) (86) International application number: PCT/FI2006/050568 (87) International publication number: WO 2007/074212 (05.07.2007 Gazette 2007/27)

(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 (30) Priority: 27.12.2005 FI 20055702 (71) Applicant: Peikko Finland Oy 15170 Lahti (FI)	(72) Inventor: KINNUNEN, Jorma FI-15230 Lahti (FI) (74) Representative: Valkeiskangas, Tapio Lassi Paavali  Kolster Oy Ab Iso Roobertinkatu 23 P.O. Box 148 00121 Helsinki 00121 Helsinki (FI)