(19)

(11)

EP 2 580 396 A1

(12)

(43) Date of publication: 17.04.2013 Bulletin 2013/16 (21) Application number: 11731478.1 (22) Date of filing: 08.06.2011

(51) International Patent Classification (IPC):  E02D 5/80(2006.01) (86) International application number: PCT/GB2011/051071 (87) International publication number: WO 2011/154734 (15.12.2011 Gazette 2011/50)

(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: 08.06.2010 GB 201009563 (71) Applicant: Bowie, Dean Hastings, Sussex TN35 5PL (GB)	(72) Inventor: Bowie, Dean Hastings, Sussex TN35 5PL (GB) (74) Representative: Bailey, David Martin  Brookes Batchellor LLP 46 Chancery Lane London WC2A 1JE London WC2A 1JE (GB)