(19)

(11)

EP 4 054 766 A1

(12)

(43) Date of publication: 14.09.2022 Bulletin 2022/37 (21) Application number: 20884718.6 (22) Date of filing: 28.10.2020

(51) International Patent Classification (IPC):  B02C 13/24(2006.01) B02C 13/20(2006.01) B02C 25/00(2006.01) B02C 13/28(2006.01) B02C 13/30(2006.01) (52) Cooperative Patent Classification (CPC): B02C 13/24; B02C 13/30; B02C 13/205; B02C 13/2804 (86) International application number: PCT/FI2020/050708 (87) International publication number: WO 2021/089912 (14.05.2021 Gazette 2021/19)

(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: 04.11.2019 FI 20190084 (71) Applicant: Moviator Oy 40800 Vaajakoski (FI)	(72) Inventor: HÄNNINEN, Pertti 40800 Vaajakoski (FI) (74) Representative: Salomäki, Juha Kari Ensio  Salomaki Oy Kankurinkatu 4-6 05800 Hyvinkää 05800 Hyvinkää (FI)