(19)

(11)

EP 2 791 426 A1

(12)

(43) Date of publication: 22.10.2014 Bulletin 2014/43 (21) Application number: 12808453.0 (22) Date of filing: 14.12.2012

(51) International Patent Classification (IPC):  E02F 5/14(2006.01) (86) International application number: PCT/GB2012/053144 (87) International publication number: WO 2013/088167 (20.06.2013 Gazette 2013/25)

(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: 14.12.2011 GB 201121516 (71) Applicant: IHC Engineering Business Limited Stocksfield, Northumberland NE43 7TN (GB)	(72) Inventor: MANCHESTER, Jonathan Ralph Rowlands Gill Tyne and Wear NE39 2JQ (GB) (74) Representative: HGF Limited  Saviour House 9 St. Saviourgate York YO1 8NQ York YO1 8NQ (GB)