(19)

(11)

EP 4 204 697 A1

(12)

(43) Date of publication: 05.07.2023 Bulletin 2023/27 (21) Application number: 21755547.3 (22) Date of filing: 05.08.2021

(51) International Patent Classification (IPC):  F16B 41/00(2006.01) F16B 37/14(2006.01) F16B 23/00(2006.01) H02G 15/013(2006.01) (52) Cooperative Patent Classification (CPC): F16B 41/005; F16B 23/0061; F16B 37/14 (86) International application number: PCT/GB2021/052029 (87) International publication number: WO 2022/043653 (03.03.2022 Gazette 2022/09)

(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: 26.08.2020 ZA 202005304 (71) Applicant: Risi, Bryan Michael London E20 1EX (GB)	(72) Inventor: Risi, Bryan Michael London E20 1EX (GB) (74) Representative: Murgitroyd & Company  Murgitroyd House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)