(19)

(11)

EP 3 860 422 A1

(12)

(43) Date of publication: 11.08.2021 Bulletin 2021/32 (21) Application number: 19761836.6 (22) Date of filing: 29.08.2019

(51) International Patent Classification (IPC):  A47L 15/44(2006.01) (86) International application number: PCT/EP2019/073037 (87) International publication number: WO 2020/069801 (09.04.2020 Gazette 2020/15)

(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: 04.10.2018 TR 201814618 (71) Applicant: Arçelik Anonim Sirketi 34445 Istanbul (TR)	(72) Inventors: KAN, Ugur 34950 ISTANBUL (TR) NUMANOGLU, Guvenc Nayman 34950 ISTANBUL (TR) ARAS, Nasir Efe 34950 ISTANBUL (TR) ATABEY, Orhan 34950 ISTANBUL (TR)