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(11)

EP 3 880 035 A1

(12)

(43) Date of publication: 22.09.2021 Bulletin 2021/38 (21) Application number: 19884367.4 (22) Date of filing: 15.11.2019

(51) International Patent Classification (IPC):  A47C 4/52(2006.01) A47C 17/14(2006.01) A47B 83/00(2006.01) A47D 11/00(2006.01) A47C 13/00(2006.01) A47C 17/37(2006.01) A47B 85/00(2006.01) A63J 1/00(2006.01) (86) International application number: PCT/FI2019/050819 (87) International publication number: WO 2020/099726 (22.05.2020 Gazette 2020/21)

(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: 17.11.2018 FI 20180163 U (71) Applicant: CH Partners OY 00720 Helsinki (FI)	(72) Inventor: VASAMA, Janne 00370 Helsinki (FI) (74) Representative: Heinonen & Co  Attorneys-at-Law Ltd Fabianinkatu 29 B 00100 Helsinki 00100 Helsinki (FI)