(19)

(11)

EP 1 977 046 A1

(12)

(43) Date of publication: 08.10.2008 Bulletin 2008/41 (21) Application number: 06794835.6 (22) Date of filing: 20.10.2006

(51) International Patent Classification (IPC):  E01D 15/14(2006.01) B63B 3/08(2006.01) B63B 35/38(2006.01) (86) International application number: PCT/GB2006/003894 (87) International publication number: WO 2007/057635 (24.05.2007 Gazette 2007/21)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 15.11.2005 GB 0523226 (71) Applicant: Ardern, Fergus Johnathan Norwich, Norfolf NR7 0EP (GB)	(72) Inventor: Ardern, Fergus Johnathan Norwich, Norfolf NR7 0EP (GB) (74) Representative: Jones, William  I.p.21 Limited Norwich Research Park Colney, Norwich Norfolk NR4 7UT Colney, Norwich Norfolk NR4 7UT (GB)