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(11)

EP 4 466 414 A1

(12)

(43) Date of publication: 27.11.2024 Bulletin 2024/48 (21) Application number: 23743584.7 (22) Date of filing: 23.01.2023

(51) International Patent Classification (IPC):  E04B 9/06(2006.01) E04B 9/04(2006.01) (52) Cooperative Patent Classification (CPC): E04B 9/0407; E04B 9/241; E04B 5/12; E04C 3/14 (86) International application number: PCT/SE2023/050055 (87) International publication number: WO 2023/140777 (27.07.2023 Gazette 2023/30)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 23.01.2022 SE 2230017 (71) Applicant: Building From Above AB 211 35 Malmö (SE)	(72) Inventor: SAN CRISTÓBAL PÉREZ, Carmen Ximena 226 43 Lund (SE) (74) Representative: Kransell & Wennborg KB  P.O. Box 2096 403 12 Göteborg 403 12 Göteborg (SE)