(19)

(11)

EP 2 723 950 A1

(12)

(43) Date of publication: 30.04.2014 Bulletin 2014/18 (21) Application number: 12803152.3 (22) Date of filing: 20.06.2012

(51) International Patent Classification (IPC):  E04B 2/72(2006.01) E04B 2/74(2006.01) (86) International application number: PCT/FI2012/050641 (87) International publication number: WO 2012/175805 (27.12.2012 Gazette 2012/52)

(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: 21.06.2011 FI 20115634 13.10.2011 FI 20116012 (71) Applicant: Pölönen, Jarmo 80260 Joensuu (FI)	(72) Inventor: Pölönen, Jarmo 80260 Joensuu (FI) (74) Representative: Kolster Oy Ab  Iso Roobertinkatu 23 PO Box 148 00121 Helsinki 00121 Helsinki (FI)