(19)

(11)

EP 3 697 508 A1

(12)

(43) Date of publication: 26.08.2020 Bulletin 2020/35 (21) Application number: 18849397.7 (22) Date of filing: 30.04.2018

(51) International Patent Classification (IPC):  A63C 5/07(2006.01) A63C 3/02(2006.01) A63C 11/00(2006.01) A63C 9/20(2012.01) (86) International application number: PCT/FI2018/050315 (87) International publication number: WO 2019/077196 (25.04.2019 Gazette 2019/17)

(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: 19.10.2017 FI 20175921 (71) Applicant: Innon Oy 70840 Kuopio (FI)	(72) Inventor: MATTILA, Arto 70840 Kuopio (FI) (74) Representative: Kolster Oy Ab  Salmisaarenaukio 1 P.O. Box 204 00181 Helsinki 00181 Helsinki (FI)