(19)

(11)

EP 4 476 389 A1

(12)

(43) Date of publication: 18.12.2024 Bulletin 2024/51 (21) Application number: 23837930.9 (22) Date of filing: 27.04.2023

(51) International Patent Classification (IPC):  D01F 6/92(2006.01) D01F 6/88(2006.01) D01F 1/10(2006.01) (86) International application number: PCT/CN2023/091121 (87) International publication number: WO 2024/221326 (31.10.2024 Gazette 2024/44)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (71) Applicant: Textime Manufacturing Limited Kowloon (HK)	(72) Inventor: WONG, Sau Ping Kowloon (HK) (74) Representative: Isern Patentes y Marcas S.L.  Avda. Diagonal, 463 Bis, 2° 08036 Barcelona 08036 Barcelona (ES)