(19)

(11)

EP 3 894 623 A1

(12)

(43) Date of publication: 20.10.2021 Bulletin 2021/42 (21) Application number: 19798257.2 (22) Date of filing: 04.11.2019

(51) International Patent Classification (IPC):  D06F 37/26(2006.01) (52) Cooperative Patent Classification (CPC): D06F 37/264; D06F 37/265 (86) International application number: PCT/EP2019/080020 (87) International publication number: WO 2020/120024 (18.06.2020 Gazette 2020/25)

(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: 11.12.2018 TR 201819085 (71) Applicant: Arçelik Anonim Sirketi 34445 Istanbul (TR)	(72) Inventors: YALCIN, Cagdas 34950 ISTANBUL (TR) GULBAY, Umit 34950 ISTANBUL (TR) AYDOGDU, Yunus Emre 34950 ISTANBUL (TR) HIZAL, Sabih 34950 ISTANBUL (TR) AYAS, Recep 34950 ISTANBUL (TR)