(19)

(11)

EP 2 526 234 A2

(12)

(88) Date of publication A3: 31.05.2012 (43) Date of publication: 28.11.2012 Bulletin 2012/48 (21) Application number: 10807442.8 (22) Date of filing: 22.12.2010

(51) International Patent Classification (IPC):  E04B 1/348(2006.01) (86) International application number: PCT/FI2010/051073 (87) International publication number: WO 2011/089306 (28.07.2011 Gazette 2011/30)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 19.01.2010 FI 20105039 (71) Applicant: OY U-Cont Ltd 79600 Joroinen (FI)	(72) Inventor: SISTONEN, Jari FI-79600 Joroinen (FI) (74) Representative: Lamberg, Samu Petteri et al Espatent Oy Kaivokatu 10 D 00100 Helsinki 00100 Helsinki (FI)