(19)

(11)

EP 3 883 447 A1

(12)

(43) Date of publication: 29.09.2021 Bulletin 2021/39 (21) Application number: 19798262.2 (22) Date of filing: 04.11.2019

(51) International Patent Classification (IPC):  A47L 15/00(2006.01) (52) Cooperative Patent Classification (CPC): A47L 2401/24; A47L 2401/34; A47L 15/0049; A47L 2501/20; A47L 2401/18; A47L 2401/20; A47L 15/22 (86) International application number: PCT/EP2019/080051 (87) International publication number: WO 2020/104177 (28.05.2020 Gazette 2020/22)

(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: 21.11.2018 TR 201817561 (71) Applicant: Arçelik Anonim Sirketi 34445 Istanbul (TR)	(72) Inventors: KOC, Yusuf 34950 Istanbul (TR) ARAS, Nasýr Efe 34950 Istanbul (TR) CITAK, Tumay 34950 Istanbul (TR) KUTUK, Erkan 34950 Istanbul (TR) KILIC YAZAR, Nese 34950 Istanbul (TR)