(19)

(11)

EP 1 866 675 A1

(12)

(43) Date of publication: 19.12.2007 Bulletin 2007/51 (21) Application number: 06726446.5 (22) Date of filing: 20.03.2006

(51) International Patent Classification (IPC):  G02B 5/04(2006.01) E05B 49/00(2006.01) G02B 27/14(2006.01) (86) International application number: PCT/GB2006/001011 (87) International publication number: WO 2006/097763 (21.09.2006 Gazette 2006/38)

(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: 18.03.2005 GB 0505583 13.04.2005 GB 0507400 18.10.2005 US 251924 (71) Applicant: Rice-McDonald, Jeremy Christopher Doune, Pertshire FK16 6JG (GB)	(72) Inventor: Rice-McDonald, Jeremy Christopher Doune, Pertshire FK16 6JG (GB) (74) Representative: Holmes, Matthew William  Cawston Field IP Limited 19 Kalfs Drive Cawston Rugby CV22 7FD Cawston Rugby CV22 7FD (GB)