(19)

(11)

EP 1 360 453 A2

(12)

(88) Date of publication A3: 24.10.2002 (43) Date of publication: 12.11.2003 Bulletin 2003/46 (21) Application number: 02715536.5 (22) Date of filing: 18.01.2002

(51) International Patent Classification (IPC)7: F42B 33/06, F42B 3/00, F42B 3/08, F41B 9/00 (86) International application number: PCT/GB0200/242 (87) International publication number: WO 0205/7706 (25.07.2002 Gazette 2002/30)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 19.01.2001 GB 0101394 12.12.2001 GB 0129666 (71) Applicant: ALFORD, Sidney Christopher Corsham, Wiltshire SN13 0HX (GB)	(72) Inventor: ALFORD, Sidney Christopher Corsham, Wiltshire SN13 0HX (GB) (74) Representative: Fox-Male, Nicholas Vincent Humbert  Eric Potter ClarksonPark View House58 The Ropewalk Nottingham NG1 5DD Nottingham NG1 5DD (GB)