(19)

(11)

EP 4 088 083 A1

(12)

(43) Date of publication: 16.11.2022 Bulletin 2022/46 (21) Application number: 20828105.5 (22) Date of filing: 15.12.2020

(51) International Patent Classification (IPC):  F42B 7/08(2006.01) (52) Cooperative Patent Classification (CPC): F42B 7/08 (86) International application number: PCT/GB2020/053211 (87) International publication number: WO 2021/140311 (15.07.2021 Gazette 2021/28)

(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: 10.01.2020 GB 202000379 (71) Applicant: Gamebore Cartridge Co Ltd Hull HU9 1AR (GB)	(72) Inventor: PLOWMAN, Phillip Hull HU9 1AR (GB) (74) Representative: Forresters IP LLP  Skygarden Erika-Mann-Straße 11 80636 München 80636 München (DE)