(19)

(11)

EP 2 785 575 A1

(12)

(43) Date of publication: 08.10.2014 Bulletin 2014/41 (21) Application number: 12714033.3 (22) Date of filing: 20.02.2012

(51) International Patent Classification (IPC):  B61L 23/06(2006.01) B61L 25/08(2006.01) (86) International application number: PCT/GB2012/050370 (87) International publication number: WO 2013/079908 (06.06.2013 Gazette 2013/23)

(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: 01.12.2011 GB 201120709 (71) Applicant: Savory, Leslie Prudhoe, Northumberland NE42 5DA (GB)	(72) Inventor: Savory, Leslie Prudhoe, Northumberland NE42 5DA (GB) (74) Representative: Elsworth, Dominic Stephen  Hargreaves Elsworth 14-18 Westgate Road Newcastle-upon-Tyne NE1 3NN Newcastle-upon-Tyne NE1 3NN (GB)