(19)

(11)

EP 3 775 447 A1

(12)

(43) Date of publication: 17.02.2021 Bulletin 2021/07 (21) Application number: 19721118.8 (22) Date of filing: 01.04.2019

(51) International Patent Classification (IPC):  E05B 47/00(2006.01) E05B 65/08(2006.01) E05C 19/02(2006.01) E05B 63/24(2006.01) E05B 65/10(2006.01) (86) International application number: PCT/IB2019/052657 (87) International publication number: WO 2019/193480 (10.10.2019 Gazette 2019/41)

(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: 05.04.2018 IT 201800004242 (71) Applicant: Mypro Research S.r.l. 36016 Thiene (VI) (IT)	(72) Inventor: BRUN, Giancarlo 36016 Thiene (VI) (IT) (74) Representative: Ziliotto, Tiziano  Studio Ziliotto Contrada Porta Santa Lucia, 48 36100 Vicenza 36100 Vicenza (IT)