(19)

(11)

EP 2 268 536 A2

(12)

(88) Date of publication A3: 27.05.2010 (43) Date of publication: 05.01.2011 Bulletin 2011/01 (21) Application number: 09722527.0 (22) Date of filing: 19.03.2009

(51) International Patent Classification (IPC):  B63B 27/14(2006.01) (86) International application number: PCT/GB2009/050258 (87) International publication number: WO 2009/115842 (24.09.2009 Gazette 2009/39)

(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: 20.03.2008 GB 0805120 (71) Applicant: BMT Defence Services Limited Bath BA2 3DQ (GB)	(72) Inventor: MACKERETH, Ian Bath BA2 3DQ (GB) (74) Representative: Harman, Paul North  Novagraaf London Parchment House 13 Northburgh Street London EC1V 0JP London EC1V 0JP (GB)