(19)

(11)

EP 2 401 453 A1

(12)

(43) Date of publication: 04.01.2012 Bulletin 2012/01 (21) Application number: 10745854.9 (22) Date of filing: 22.02.2010

(51) International Patent Classification (IPC):  E04H 6/28(2006.01) (86) International application number: PCT/FI2010/050118 (87) International publication number: WO 2010/097507 (02.09.2010 Gazette 2010/35)

(84) Designated Contracting States: 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 SE SI SK SM TR (30) Priority: 24.02.2009 FI 20095178 (71) Applicant: Salmenaho, Teemu 33230 Tampere (FI)	(72) Inventor: Salmenaho, Teemu 33230 Tampere (FI) (74) Representative: Kangasmäki, Reijo Holger  Finnish Patent Consulting FPC Patenttikonsultointi Kangasmäki Oy PL 25 FIN-33401 Tampere FIN-33401 Tampere (FI)