(19)

(11)

EP 2 734 987 A1

(12)

(43) Date of publication: 28.05.2014 Bulletin 2014/22 (21) Application number: 12759504.9 (22) Date of filing: 19.07.2012

(51) International Patent Classification (IPC):  G08B 13/24(2006.01) B65D 55/02(2006.01) G08B 13/12(2006.01) (86) International application number: PCT/IB2012/001402 (87) International publication number: WO 2013/011370 (24.01.2013 Gazette 2013/04)

(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 (30) Priority: 19.07.2011 US 201161509396 P (71) Applicant: Dubois Ltd. Corby Northamptonshire NN17 5AE (GB)	(72) Inventors: MADDOX, Sean, D. Fransfield Nr Newark Nottinghamshire NN17 5AE (GB) MARRIOTT, Mark Lutterorth Leicestershire LE17 6 PY (GB) DONNELLY, Chris Harlow Essex CM17 OSF (GB) (74) Representative: Beck Greener  Fulwood House 12 Fulwood Place London WC1V 6HR London WC1V 6HR (GB)