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(11)

EP 3 887 592 A1

(12)

(43) Date of publication: 06.10.2021 Bulletin 2021/40 (21) Application number: 19797716.8 (22) Date of filing: 01.11.2019

(51) International Patent Classification (IPC):  D06F 58/24(2006.01) D06F 103/32(2020.01) D06F 105/02(2020.01) D06F 58/38(2020.01) D06F 103/34(2020.01) D06F 105/20(2020.01) (52) Cooperative Patent Classification (CPC): D06F 2103/08; D06F 58/38; D06F 58/24; D06F 58/30 (86) International application number: PCT/EP2019/079975 (87) International publication number: WO 2020/108918 (04.06.2020 Gazette 2020/23)

(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: 28.11.2018 TR 201818083 (71) Applicant: Arçelik Anonim Sirketi 34445 Istanbul (TR)	(72) Inventors: IPEK, Mutlu 34950 Istanbul (TR) ERTIS, Vasi Kadir 34950 Istanbul (TR) HOCAOGLU, Samet 34950 Istanbul (TR)