(19)

(11)

EP 3 645 960 A1

(12)

(43) Date of publication: 06.05.2020 Bulletin 2020/19 (21) Application number: 17752450.1 (22) Date of filing: 08.08.2017

(51) International Patent Classification (IPC):  F41H 7/04(2006.01) (86) International application number: PCT/GB2017/052337 (87) International publication number: WO 2019/030465 (14.02.2019 Gazette 2019/07)

(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: MA MD (71) Applicant: Advanced Blast & Ballistic Systems Limited Derby DE1 1BT (GB)	(72) Inventor: SLOMAN, Roger Mark Ashbourne Derbyshire DE6 3BH (GB) (74) Representative: Swindell & Pearson Limited  48 Friar Gate Derby DE1 1GY Derby DE1 1GY (GB)