(19)

(11)

EP 3 980 616 A1

(12)

(43) Date of publication: 13.04.2022 Bulletin 2022/15 (21) Application number: 20730031.0 (22) Date of filing: 03.06.2020

(51) International Patent Classification (IPC):  E05B 77/36(2014.01) E05B 81/66(2014.01) E05B 79/08(2014.01) (52) Cooperative Patent Classification (CPC): E05B 77/36; E05B 79/08; E05B 81/66 (86) International application number: PCT/EP2020/065388 (87) International publication number: WO 2020/245222 (10.12.2020 Gazette 2020/50)

(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: 05.06.2019 IT 201900008172 (71) Applicant: CEBI ITALY S.p.A. 12025 Dronero (CN) (IT)	(72) Inventors: D'URSO, Eugenio Guglielmo 60027 OSIMO (AN) (IT) DI CORI, Simone 60022 CASTELFIDARDO (AN) (IT) (74) Representative: Cutropia, Gianluigi  Ing. Claudio Baldi s.r.l. Viale Cavallotti, 13 60035 Jesi (AN) 60035 Jesi (AN) (IT)