(19)

(11)

EP 4 221 532 A1

(12)

(43) Date of publication: 09.08.2023 Bulletin 2023/32 (21) Application number: 21777833.1 (22) Date of filing: 09.09.2021

(51) International Patent Classification (IPC):  A43B 3/16(2022.01) A43B 7/32(2006.01) A43B 7/18(2006.01) A43B 23/02(2006.01) (52) Cooperative Patent Classification (CPC): A43B 7/32; A43B 7/18; A43B 3/16; A43B 23/0235 (86) International application number: PCT/GB2021/052332 (87) International publication number: WO 2022/069861 (07.04.2022 Gazette 2022/14)

(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: 30.09.2020 GB 202015538 (71) Applicant: Allington IP Ltd Chippenham, Wiltshire SN15 1BN (GB)	(72) Inventors: TURNER, Rolf Chippenham Wiltshire SN15 5LR (GB) BRYANT, Adrian Bath Somerset BA2 6UU (GB) YANG, Danny Taipei City (TW) KIRTON, Matthew Kettering Northamptonshire NN15 6HL (GB) (74) Representative: ip21 Ltd  Central Formalities Department Suite 2 The Old Dairy Elm Farm Business Park Wymondham Norwich, Norfolk NR18 0SW Norwich, Norfolk NR18 0SW (GB)