(19)

(11)

EP 3 765 678 A1

(12)

(43) Date of publication: 20.01.2021 Bulletin 2021/03 (21) Application number: 19711954.8 (22) Date of filing: 15.02.2019

(51) International Patent Classification (IPC):  E02D 35/00(2006.01) B66F 3/38(2006.01) B66F 3/36(2006.01) (86) International application number: PCT/FI2019/050121 (87) International publication number: WO 2019/175469 (19.09.2019 Gazette 2019/38)

(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: 15.03.2018 FI 20185248 (71) Applicant: Teijo-Talot OY 25500 Perniö (FI)	(72) Inventor: RAITISTO, Tommi 24280 Salo (FI) (74) Representative: Berggren Oy, Helsinki & Oulu  P.O. Box 16 Eteläinen Rautatiekatu 10A 00101 Helsinki 00101 Helsinki (FI)