(19)

(11)

EP 3 797 190 A1

(12)

(43) Date of publication: 31.03.2021 Bulletin 2021/13 (21) Application number: 19721272.3 (22) Date of filing: 30.04.2019

(51) International Patent Classification (IPC):  D06F 58/04(2006.01) A47L 15/42(2006.01) D06F 39/14(2006.01) D06F 37/42(2006.01) (86) International application number: PCT/EP2019/061095 (87) International publication number: WO 2019/223973 (28.11.2019 Gazette 2019/48)

(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: 21.05.2018 TR 201807151 (71) Applicant: Arçelik Anonim Sirketi 34445 Istanbul (TR)	(72) Inventors: AYAROGLU, Emre 34950 ISTANBUL (TR) VATANSEVER, Celal 34950 ISTANBUL (TR)