(19)

(11)

EP 4 028 668 A1

(12)

(43) Date of publication: 20.07.2022 Bulletin 2022/29 (21) Application number: 20772015.2 (22) Date of filing: 09.09.2020

(51) International Patent Classification (IPC):  F16B 5/02(2006.01) (52) Cooperative Patent Classification (CPC): F16B 5/0233; F16B 21/086 (86) International application number: PCT/EP2020/075219 (87) International publication number: WO 2021/048218 (18.03.2021 Gazette 2021/11)

(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: 12.09.2019 EP 19197033 18.09.2019 EP 19198110 08.10.2019 EP 19201861 (71) Applicant: Zephyros Inc. Romeo, MI 48065 (US)	(72) Inventors: BUGLI, Gérald 67129 MOLSHEIM Cedex (FR) DEGOUTTE, Frédéric 67129 MOLSHEIM Cedex (FR) (74) Representative: Kutzenberger Wolff & Partner  Waidmarkt 11 50676 Köln 50676 Köln (DE)