(19)

(11)

EP 4 409 061 A1

(12)

(43) Date of publication: 07.08.2024 Bulletin 2024/32 (21) Application number: 22790364.8 (22) Date of filing: 26.09.2022

(51) International Patent Classification (IPC):  D01F 8/18(2006.01) A41D 13/00(2006.01) D02G 3/36(2006.01) A41D 13/008(2006.01) D02G 3/44(2006.01) D02G 3/12(2006.01) D01F 11/12(2006.01) (52) Cooperative Patent Classification (CPC): D02G 3/441; D01F 8/18; D02G 3/12; D01F 11/127; A41D 31/26; D10B 2101/20; D10B 2331/021 (86) International application number: PCT/IB2022/059126 (87) International publication number: WO 2023/047374 (30.03.2023 Gazette 2023/13)

(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: 27.09.2021 IT 202100024659 (71) Applicant: Carraro S.R.L. 28040 Paruzzaro (NO) (IT)	(72) Inventor: CARRARO, Rinaldo deceased (IT) (74) Representative: Perani & Partners S.p.A.  Piazza Armando Diaz, 7 20123 Milano 20123 Milano (IT)