(19)

(11)

EP 4 581 223 A1

(12)

(43) Date of publication: 09.07.2025 Bulletin 2025/28 (21) Application number: 23764294.7 (22) Date of filing: 30.08.2023

(51) International Patent Classification (IPC):  E04H 12/22(2006.01) E01F 9/685(2016.01) A63B 71/02(2006.01) (52) Cooperative Patent Classification (CPC): E04H 12/2269; E04H 12/2215 (86) International application number: PCT/EP2023/073784 (87) International publication number: WO 2024/047105 (07.03.2024 Gazette 2024/10)

(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: 30.08.2022 EP 22192965 17.10.2022 EP 22201959 (71) Applicant: NAL Products Limited Roscommon (IE)	(72) Inventors: GOGARTY, Frank Drogheda County Louth, A92 H286 (IE) MCGEOUGH, Stephen Drogheda County Louth, A92 H286 (IE) (74) Representative: Slingsby Partners LLP  1 Kingsway London WC2B 6AN London WC2B 6AN (GB)