(19)

(11)

EP 1 781 535 A1

(12)

(43) Date of publication: 09.05.2007 Bulletin 2007/19 (21) Application number: 05761582.5 (22) Date of filing: 21.07.2005

(51) International Patent Classification (IPC):  B63B 9/06(2006.01) B63B 1/12(2006.01) B63B 1/10(2006.01) B63B 3/08(2006.01) (86) International application number: PCT/GB2005/002841 (87) International publication number: WO 2006/008520 (26.01.2006 Gazette 2006/04)

(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: 23.07.2004 GB 0416424 (71) Applicant: Chart, David Newick East Sussex BN8 4JX (GB)	(72) Inventor: Chart, David Newick East Sussex BN8 4JX (GB) (74) Representative: Burrows, Anthony Gregory  Business Centre West Avenue One, Business Park Letchworth Garden City Hertfordshire SG6 2HB Letchworth Garden City Hertfordshire SG6 2HB (GB)