(19)

(11)

EP 2 167 744 A1

(12)

(43) Date of publication: 31.03.2010 Bulletin 2010/13 (21) Application number: 08761705.6 (22) Date of filing: 28.05.2008

(51) International Patent Classification (IPC):  E03D 11/16(2006.01) (86) International application number: PCT/FI2008/050309 (87) International publication number: WO 2008/145820 (04.12.2008 Gazette 2008/49)

(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 MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 30.05.2007 FI 20075389 (71) Applicant: Ollila, Matti 00870 Helsinki (FI)	(72) Inventor: OLLILA, Matti FI-00870 Helsinki (FI) (74) Representative: Äkräs, Tapio Juhani  Kolster Oy Ab Iso Roobertinkatu 23 P.O. Box 148 FIN-00121 Helsinki FIN-00121 Helsinki (FI)