(19)

(11)

EP 3 710 641 A1

(12)

(43) Date of publication: 23.09.2020 Bulletin 2020/39 (21) Application number: 18844738.7 (22) Date of filing: 07.08.2018

(51) International Patent Classification (IPC):  E02F 3/36(2006.01) (86) International application number: PCT/SE2018/000019 (87) International publication number: WO 2019/032000 (14.02.2019 Gazette 2019/07)

(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: 10.08.2017 SE 1730208 (71) Applicant: Götene UFO AB 904 22 Umeå (SE)	(72) Inventor: VIKSTRÖM, Bo 904 36 Umeå (SE)