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(11)

EP 4 392 625 A1

(12)

(43) Date of publication: 03.07.2024 Bulletin 2024/27 (21) Application number: 22859613.6 (22) Date of filing: 23.08.2022

(51) International Patent Classification (IPC):  E04C 5/20(2006.01) E04B 5/32(2006.01) E04G 21/10(2006.01) E04F 15/12(2006.01) E04F 21/24(2006.01) (52) Cooperative Patent Classification (CPC): E04F 15/12; E04C 5/20; E04F 21/24; E04B 5/32 (86) International application number: PCT/AU2022/050951 (87) International publication number: WO 2023/023724 (02.03.2023 Gazette 2023/09)

(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: 23.08.2021 AU 2021902641 (71) Applicant: Screedex Pty Ltd Oxenford, Queensland 4210 (AU)	(72) Inventor: SCOUGALL, Colin Oxenford, Queensland 4210 (AU) (74) Representative: Michalski Hüttermann & Partner Patentanwälte mbB  Kaistraße 16A 40221 Düsseldorf 40221 Düsseldorf (DE)