(19)

(11)

EP 4 048 112 A1

(12)

(43) Date of publication: 31.08.2022 Bulletin 2022/35 (21) Application number: 20807115.9 (22) Date of filing: 21.10.2020

(51) International Patent Classification (IPC):  A44C 5/20(2006.01) A44C 5/10(2006.01) A44C 5/18(2006.01) A44C 5/12(2006.01) (52) Cooperative Patent Classification (CPC): A44C 5/2076; A44C 5/2066; A44C 5/18; A44C 5/105; A44C 5/12 (86) International application number: PCT/IB2020/059885 (87) International publication number: WO 2021/079278 (29.04.2021 Gazette 2021/17)

(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: 22.10.2019 IT 201900019559 (71) Applicant: Treemme S.P.A. Unipersonale 52100 Arezzo (IT)	(72) Inventor: DALL'AVO, Marcogino 52100 Arezzo (IT) (74) Representative: Pietri, Simona et al Società Italiana Brevetti S.p.A. Corso dei Tintori, 25 50122 Firenze 50122 Firenze (IT)