(19)

(11)

EP 2 470 000 A1

(12)

(43) Date of publication: 04.07.2012 Bulletin 2012/27 (21) Application number: 10811326.7 (22) Date of filing: 25.08.2010

(51) International Patent Classification (IPC):  A01D 90/08(2006.01) A01F 25/14(2006.01) A01D 87/12(2006.01) (86) International application number: PCT/FI2010/050671 (87) International publication number: WO 2011/023855 (03.03.2011 Gazette 2011/09)

(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: 26.08.2009 FI 20095881 (71) Applicant: NHK-Keskus OY 13110 Hämeenlinna (FI)	(72) Inventor: KORHONEN, Onni Helsinki 00760 (FI) (74) Representative: Salomäki, Juha Kari Ensio  Salomaki Oy Kankurinkatu 4-6 05800 Hyvinkää 05800 Hyvinkää (FI)