(19)

(11)

EP 4 460 603 A1

(12)

(43) Date of publication: 13.11.2024 Bulletin 2024/46 (21) Application number: 23700027.8 (22) Date of filing: 04.01.2023

(51) International Patent Classification (IPC):  E04B 2/08(2006.01) E04B 2/02(2006.01) (52) Cooperative Patent Classification (CPC): E04B 2002/0297; E04B 2002/0213; E04B 2/08 (86) International application number: PCT/GB2023/050006 (87) International publication number: WO 2023/131783 (13.07.2023 Gazette 2023/28)

(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: 05.01.2022 GB 202200056 (71) Applicant: Ecor Ltd Birmingham West Midlands B1 3JR (GB)	(72) Inventor: PITTOCK, John William Birmingham West Midlands B1 3JR (GB) (74) Representative: HGF  HGF Limited 1 City Walk Leeds LS11 9DX Leeds LS11 9DX (GB)