(19)

(11)

EP 4 419 756 A1

(12)

(43) Date of publication: 28.08.2024 Bulletin 2024/35 (21) Application number: 22882113.8 (22) Date of filing: 21.10.2022

(51) International Patent Classification (IPC):  E04B 1/00(2006.01) E04B 1/70(2006.01) E04C 3/29(2006.01) E04B 1/76(2006.01) E04B 1/30(2006.01) E04C 3/06(2006.01) E04C 3/36(2006.01) (52) Cooperative Patent Classification (CPC): E04C 3/07; E04C 2003/0473; E04B 2/90; E04B 2001/2466; E04B 2001/2481 (86) International application number: PCT/AU2022/051267 (87) International publication number: WO 2023/064994 (27.04.2023 Gazette 2023/17)

(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: 21.10.2021 AU 2021903376 (71) Applicant: Lynx Systems Pty Ltd Wetherill Park, NSW 2164 (AU)	(72) Inventor: GEDDES, Gordon Andrew Wetherill Park, New South Wales 2164 (AU) (74) Representative: PGA S.p.A., Milano, Succursale di Lugano  Via Castagnola, 21c 6900 Lugano 6900 Lugano (CH)