(19)

(11)

EP 4 221 536 A1

(12)

(43) Date of publication: 09.08.2023 Bulletin 2023/32 (21) Application number: 21794960.1 (22) Date of filing: 27.09.2021

(51) International Patent Classification (IPC):  A44C 5/08(2006.01) A44C 11/00(2006.01) A44C 5/02(2006.01) (52) Cooperative Patent Classification (CPC): A44C 5/08; A44C 5/022; A44C 11/007 (86) International application number: PCT/IB2021/058768 (87) International publication number: WO 2022/070012 (07.04.2022 Gazette 2022/14)

(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: 29.09.2020 IT 202000022999 (71) Applicant: Borsari, Giampiero 18013 Diano Marina (IM) (IT)	(72) Inventor: Borsari, Giampiero 18013 Diano Marina (IM) (IT) (74) Representative: Brunacci, Marco  BRUNACCI & PARTNERS S.r.l. Via Pietro Giardini, 625 41125 Modena (MO) 41125 Modena (MO) (IT)