(19)

(11)

EP 4 416 346 A1

(12)

(43) Date of publication: 21.08.2024 Bulletin 2024/34 (21) Application number: 22793212.6 (22) Date of filing: 14.10.2022

(51) International Patent Classification (IPC):  E04F 13/08(2006.01) E04F 13/18(2006.01) (52) Cooperative Patent Classification (CPC): E04F 13/0862; E04F 13/185; E04F 2203/02 (86) International application number: PCT/GB2022/052623 (87) International publication number: WO 2023/062387 (20.04.2023 Gazette 2023/16)

(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: 14.10.2021 GB 202114700 (71) Applicant: Tophat Industries Limited Foston, Derby DE65 5BT (GB)	(72) Inventor: JAY, Daniel Adam Elland Yorkshire HX5 9QP (GB) (74) Representative: J A Kemp LLP  80 Turnmill Street London EC1M 5QU London EC1M 5QU (GB)