(19)

(11)

EP 3 746 610 A1

(12)

(43) Date of publication: 09.12.2020 Bulletin 2020/50 (21) Application number: 19747028.9 (22) Date of filing: 01.02.2019

(51) International Patent Classification (IPC):  E04B 1/41(2006.01) E04C 5/16(2006.01) E04G 17/06(2006.01) (86) International application number: PCT/AU2019/050074 (87) International publication number: WO 2019/148245 (08.08.2019 Gazette 2019/32)

(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: 02.02.2018 AU 2018900323 02.08.2018 AU 2018902814 (71) Applicant: OZM Australia Pty Ltd Wetherill Park, NSW 2164 (AU)	(72) Inventor: WYETT, Geoff Shell Cove, New South Wales 2529 (AU) (74) Representative: Noble, Frederick  Albright IP Limited County House Bayshill Road Cheltenham, Glos. GL50 3BA Cheltenham, Glos. GL50 3BA (GB)