(19)

(11)

EP 1 954 898 A1

(12)

(43) Date of publication: 13.08.2008 Bulletin 2008/33 (21) Application number: 06820107.8 (22) Date of filing: 29.11.2006

(51) International Patent Classification (IPC):  E04B 1/41(2006.01) (86) International application number: PCT/FI2006/050528 (87) International publication number: WO 2007/063187 (07.06.2007 Gazette 2007/23)

(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: 01.12.2005 FI 20055636 (71) Applicant: Peikko Finland Oy 15100 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)