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(11)

EP 4 281 616 A1

(12)

(43) Date of publication: 29.11.2023 Bulletin 2023/48 (21) Application number: 22709338.2 (22) Date of filing: 24.01.2022

(51) International Patent Classification (IPC):  D21H 17/06(2006.01) B65D 65/46(2006.01) D21H 21/16(2006.01) D21H 27/10(2006.01) A47G 19/03(2006.01) D21H 17/15(2006.01) D21H 21/18(2006.01) D21H 27/30(2006.01) (52) Cooperative Patent Classification (CPC): D21H 17/15; D21H 17/06; D21H 21/16; D21H 21/18; D21H 27/30; D21H 27/10; A47G 19/03; A47G 21/00 (86) International application number: PCT/FI2022/050047 (87) International publication number: WO 2022/157425 (28.07.2022 Gazette 2022/30)

(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: 25.01.2021 FI 20215083 (71) Applicant: Fiberdom Oy 01730 Vantaa (FI)	(72) Inventor: MAYES, Duncan 00100 Helsinki (FI) (74) Representative: LEITZINGER OY  c/o Spaces Mannerheiminaukio 1A 00100 Helsinki 00100 Helsinki (FI)