(19)

(11)

EP 4 022 153 A1

(12)

(43) Date of publication: 06.07.2022 Bulletin 2022/27 (21) Application number: 20858677.6 (22) Date of filing: 24.08.2020

(51) International Patent Classification (IPC):  E04H 1/00(2006.01) E04B 1/348(2006.01) E04B 1/343(2006.01) (52) Cooperative Patent Classification (CPC): E04H 1/00; E04B 1/3483; E04B 2001/34892 (86) International application number: PCT/AU2020/050885 (87) International publication number: WO 2021/035292 (04.03.2021 Gazette 2021/09)

(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: 27.08.2019 AU 2019903136 (71) Applicant: Intex Holdings Pty Ltd Payneham SA 5070 (AU)	(72) Inventor: DAVIES, Roger Payneham, South Australia 5070 (AU) (74) Representative: Fry, David John  Agile IP LLP Airport House Purley Way Croydon, Surrey CR0 0XZ Croydon, Surrey CR0 0XZ (GB)