(19)

(11)

EP 3 874 224 A1

(12)

(43) Date of publication: 08.09.2021 Bulletin 2021/36 (21) Application number: 19880691.1 (22) Date of filing: 14.10.2019

(51) International Patent Classification (IPC):  F42B 10/50(2006.01) (86) International application number: PCT/SE2019/051007 (87) International publication number: WO 2020/091646 (07.05.2020 Gazette 2020/19)

(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: 30.10.2018 SE 1800208 (71) Applicant: Bae Systems Bofors AB 691 80 Karlskoga (SE)	(72) Inventor: JANSSON, Håkan 691 43 Karlskoga (SE) (74) Representative: Olsson, Carl Fredrik  Tactical IPR AB Fredsgatan 24A 703 62 Örebro 703 62 Örebro (SE)