(19)

(11)

EP 2 619 374 A1

(12)

(43) Date of publication: 31.07.2013 Bulletin 2013/31 (21) Application number: 11770488.2 (22) Date of filing: 22.09.2011

(51) International Patent Classification (IPC):  E03C 1/05(2006.01) G08B 21/04(2006.01) (86) International application number: PCT/GB2011/051792 (87) International publication number: WO 2012/038753 (29.03.2012 Gazette 2012/13)

(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: 24.09.2010 GB 201016087 (71) Applicant: DLP Limited Douglas, Isel of Man IM2 4RW (GB)	(72) Inventor: STIMPSON, Robert William Douglas IM2 5BN (GB) (74) Representative: Hocking, Adrian Niall et al Albright Patents LLP Eagle Tower Montpellier Drive Cheltenham Gloucestershire GL50 1TA Cheltenham Gloucestershire GL50 1TA (GB)