(19)

(11)

EP 2 232 192 A1

(12)

(43) Date of publication: 29.09.2010 Bulletin 2010/39 (21) Application number: 09702802.1 (22) Date of filing: 13.01.2009

(51) International Patent Classification (IPC):  F42B 33/00(2006.01) F42B 5/00(2006.01) (86) International application number: PCT/SE2009/000007 (87) International publication number: WO 2009/091314 (23.07.2009 Gazette 2009/30)

(84) Designated Contracting States: 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 SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 18.01.2008 SE 0800114 (71) Applicant: BAE Systems Bofors AB 691 80 Karlskoga (SE)	(72) Inventor: GUSTAVSSON, Lennart SE-691 44 Karlskoga (SE) (74) Representative: Falk, Bengt  Saab Bofors Support AB Patents and Trademarks 691 80 Karlskoga 691 80 Karlskoga (SE)