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EP 4 347 973 A1

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(43) Date of publication: 10.04.2024 Bulletin 2024/15 (21) Application number: 22809969.3 (22) Date of filing: 26.05.2022

(51) International Patent Classification (IPC):  E04G 25/00(2006.01) E21D 15/55(2006.01) E04G 25/06(2006.01) E21D 15/32(2006.01) E04G 25/04(2006.01) E21D 15/24(2006.01) (52) Cooperative Patent Classification (CPC): E21D 15/55; E21D 15/32; E21D 15/24; E04G 2025/006; E04G 2025/045; E04G 25/065; E04G 2025/042 (86) International application number: PCT/AU2022/050509 (87) International publication number: WO 2022/246515 (01.12.2022 Gazette 2022/48)

(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: 26.05.2021 AU 2021901580 (71) Applicant: R. J. Goldspink PTY Limited Mudgee, NSW 2850 (AU)	(72) Inventors: GOLDSPINK, Robert Mudgee, New South Wales 2850 (AU) SY, Billy Balmain, New South Wales 2041 (AU) BLATTMANN, Lee Balmain, New South Wales 2014 (AU) (74) Representative: Keltie LLP  No. 1 London Bridge London SE1 9BA London SE1 9BA (GB)