(19)

(11)

EP 3 902 950 A1

(12)

(43) Date of publication: 03.11.2021 Bulletin 2021/44 (21) Application number: 20715195.2 (22) Date of filing: 26.02.2020

(51) International Patent Classification (IPC):  D06C 21/00(2006.01) (52) Cooperative Patent Classification (CPC): D06C 21/00 (86) International application number: PCT/IB2020/051646 (87) International publication number: WO 2020/178670 (10.09.2020 Gazette 2020/37)

(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: 04.03.2019 IT 201900003121 (71) Applicant: Red Carpet S.r.l. 36015 Schio (VI) (IT)	(72) Inventor: BERTOLDO, Franco 36015 Schio (VI) (IT) (74) Representative: Trentin, Michele  Eureka IP Consulting Via Giovanni Lanza, 40-44 36100 Vicenza 36100 Vicenza (IT)