(19)

(11)

EP 4 055 234 A1

(12)

(43) Date of publication: 14.09.2022 Bulletin 2022/37 (21) Application number: 20816590.2 (22) Date of filing: 06.11.2020

(51) International Patent Classification (IPC):  E04F 11/17(2006.01) E04F 11/116(2006.01) (52) Cooperative Patent Classification (CPC): E04F 11/175; E04F 11/116 (86) International application number: PCT/IB2020/060451 (87) International publication number: WO 2021/090252 (14.05.2021 Gazette 2021/19)

(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: 08.11.2019 IT 201900020662 (71) Applicant: Cover App S.r.l. 38068 Roverteto (TN) (IT)	(72) Inventor: BONIFAZI, Mario 38068 Rovereto (Trento) (IT) (74) Representative: Sandri, Sandro  Bugnion S.P.A. Via Pancaldo 68 37138 Verona 37138 Verona (IT)