(19)

(11)

EP 3 947 801 A1

(12)

(43) Date of publication: 09.02.2022 Bulletin 2022/06 (21) Application number: 20713281.2 (22) Date of filing: 23.03.2020

(51) International Patent Classification (IPC):  D06F 37/00(2020.01) D06F 37/26(2006.01) (52) Cooperative Patent Classification (CPC): D06F 37/267; D06F 34/22 (86) International application number: PCT/EP2020/057957 (87) International publication number: WO 2020/200875 (08.10.2020 Gazette 2020/41)

(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: 03.04.2019 TR 201905015 (71) Applicant: Arçelik Anonim Sirketi 34445 Istanbul (TR)	(72) Inventors: CATALTEPE, Servet 34445 Istanbul (TR) CELIK, Filiz 34445 Istanbul (TR) MUTLU, Eren 34445 Istanbul (TR) KASAP, Fatih 34445 Istanbul (TR) TOP, Ahmet Burak 34445 Istanbul (TR)