(19)

(11)

EP 4 229 252 A1

(12)

(43) Date of publication: 23.08.2023 Bulletin 2023/34 (21) Application number: 21790847.4 (22) Date of filing: 11.10.2021

(51) International Patent Classification (IPC):  E04F 13/08(2006.01) E04F 15/02(2006.01) (52) Cooperative Patent Classification (CPC): E04F 13/0819; E04F 2015/02072; E04F 2201/042; E04F 15/02044; E04F 2015/02055 (86) International application number: PCT/EP2021/078006 (87) International publication number: WO 2022/078937 (21.04.2022 Gazette 2022/16)

(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: 16.10.2020 LU 102127 (71) Applicant: Vetedy S.à r.l. 8410 Steinfort (LU)	(72) Inventor: DEUMER, Patrick 8410 Steinfort (LU) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)