(19)

(11)

EP 2 462 287 A1

(12)

(43) Date of publication: 13.06.2012 Bulletin 2012/24 (21) Application number: 10806092.2 (22) Date of filing: 02.08.2010

(51) International Patent Classification (IPC):  E02D 5/56(2006.01) E02D 5/80(2006.01) (86) International application number: PCT/FI2010/050613 (87) International publication number: WO 2011/015711 (10.02.2011 Gazette 2011/06)

(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 SE SI SK SM TR (30) Priority: 07.08.2009 FI 20095832 (71) Applicant: Tiikkainen, Matti 08100 Lohja (FI)	(72) Inventor: Tiikkainen, Matti 08100 Lohja (FI) (74) Representative: LEITZINGER OY  Tammasaarenkatu 1 00180 Helsinki 00180 Helsinki (FI)