(19)

(11)

EP 3 823 509 A1

(12)

(43) Date of publication: 26.05.2021 Bulletin 2021/21 (21) Application number: 19739524.7 (22) Date of filing: 28.06.2019

(51) International Patent Classification (IPC):  A47L 15/50(2006.01) (86) International application number: PCT/EP2019/067350 (87) International publication number: WO 2020/015981 (23.01.2020 Gazette 2020/04)

(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: 19.07.2018 TR 201810354 (71) Applicant: Arçelik Anonim Sirketi 34445 Istanbul (TR)	(72) Inventors: KOC, Yusuf 34950 ISTANBUL (TR) DONMEZ, Ersin 34950 ISTANBUL (TR) GERMIYANLIOGLU, Caner 34950 ISTANBUL (TR) ERSOY, Osman Gokhan 34950 ISTANBUL (TR) ELGUN, Murat 34950 ISTANBUL (TR) KARTAL, Yasar 34950 ISTANBUL (TR)