(19)

(11)

EP 4 388 162 A1

(12)

(43) Date of publication: 26.06.2024 Bulletin 2024/26 (21) Application number: 22764820.1 (22) Date of filing: 19.08.2022

(51) International Patent Classification (IPC):  E04G 21/08(2006.01) (52) Cooperative Patent Classification (CPC): E04G 21/08 (86) International application number: PCT/EP2022/073218 (87) International publication number: WO 2023/021192 (23.02.2023 Gazette 2023/08)

(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: 20.08.2021 NO 20211002 (71) Applicant: Convib AS 4516 Mandal (NO)	(72) Inventor: MUREN, Bjørn Richard 4516 Mandal (NO) (74) Representative: Onsagers AS  P.O. Box 1813 Vika 0123 Oslo 0123 Oslo (NO)