(19)

(11)

EP 3 947 806 A1

(12)

(43) Date of publication: 09.02.2022 Bulletin 2022/06 (21) Application number: 20723192.9 (22) Date of filing: 01.04.2020

(51) International Patent Classification (IPC):  D06F 95/00(2006.01) D06F 58/20(2006.01) D06F 58/12(2006.01) (52) Cooperative Patent Classification (CPC): D06F 58/203; D06F 58/12; D06F 95/00 (86) International application number: PCT/IB2020/053085 (87) International publication number: WO 2020/202020 (08.10.2020 Gazette 2020/41)

(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: 01.04.2019 IT 201900004853 (71) Applicant: Welcome S.p.A. 00143 Roma (IT)	(72) Inventor: LUCIANI, Lucio 00143 Roma (IT) (74) Representative: Scilletta, Andrea  IP Sextant s.r.l. Via Antonio Salandra, 18 00187 Roma 00187 Roma (IT)