(19)

(11)

EP 3 742 887 A1

(12)

(43) Date of publication: 02.12.2020 Bulletin 2020/49 (21) Application number: 19743976.3 (22) Date of filing: 24.01.2019

(51) International Patent Classification (IPC):  A01G 23/087(2006.01) A01G 3/02(2006.01) A01G 23/089(2006.01) A01G 3/025(2006.01) (86) International application number: PCT/FI2019/050056 (87) International publication number: WO 2019/145609 (01.08.2019 Gazette 2019/31)

(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 Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 24.01.2018 FI 20185067 (71) Applicant: TMK Energiakoura OY 41520 Hankasalmi (FI)	(72) Inventor: KAPONEN, Mika 05720 Hyvinkää (FI) (74) Representative: Kespat Oy  Vasarakatu 1 40320 Jyväskylä 40320 Jyväskylä (FI)