(19)

(11)

EP 4 363 645 A1

(12)

(43) Date of publication: 08.05.2024 Bulletin 2024/19 (21) Application number: 22740842.4 (22) Date of filing: 29.06.2022

(51) International Patent Classification (IPC):  D04H 1/541(2012.01) D04H 1/74(2006.01) D01F 8/14(2006.01) (52) Cooperative Patent Classification (CPC): D04H 1/74; D04H 1/5412; D01F 8/14 (86) International application number: PCT/EP2022/067939 (87) International publication number: WO 2023/275165 (05.01.2023 Gazette 2023/01)

(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: 01.07.2021 SE 2150856 (71) Applicant: IKEA Supply AG 4133 Pratteln (CH)	(72) Inventor: BERGNER, Anders 302 93 HALMSTAD (SE) (74) Representative: Ström & Gulliksson AB  P.O. Box 4188 203 13 Malmö 203 13 Malmö (SE)