(19)

(11)

EP 3 850 167 A1

(12)

(43) Date of publication: 21.07.2021 Bulletin 2021/29 (21) Application number: 19859065.5 (22) Date of filing: 10.09.2019

(51) International Patent Classification (IPC):  E04B 5/36(2006.01) E04B 1/94(2006.01) E04B 5/40(2006.01) (86) International application number: PCT/AU2019/050969 (87) International publication number: WO 2020/051633 (19.03.2020 Gazette 2020/12)

(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: 10.09.2018 AU 2018903375 (71) Applicant: HCSL Pty Ltd Penrith, New South Wales 2750 (AU)	(72) Inventor: STRONG, Adam Wahroonga NSW 2076 (AU) (74) Representative: K&P Patentanwaltsgesellschaft mbH  Linprunstraße 10 80335 München 80335 München (DE)