(19)

(11)

EP 3 102 739 A1

(12)

(43) Date of publication: 14.12.2016 Bulletin 2016/50 (21) Application number: 14847661.7 (22) Date of filing: 26.09.2014

(51) International Patent Classification (IPC):  E01F 13/04(2006.01) (86) International application number: PCT/NZ2014/000208 (87) International publication number: WO 2015/047108 (02.04.2015 Gazette 2015/13)

(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 Designated Extension States: BA ME (30) Priority: 27.09.2013 NZ 61607013 (71) Applicant: Broadhurst, Robert Charles Hamilton 3204 (NZ)	(72) Inventor: Broadhurst, Robert Charles Hamilton 3204 (NZ) (74) Representative: Ramsay, Laura Anne  Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)