(19)

(11)

EP 1 307 700 A1

(12)

(43) Date of publication: 07.05.2003 Bulletin 2003/19 (21) Application number: 01951816.6 (22) Date of filing: 24.07.2001

(51) International Patent Classification (IPC)7: F42B 12/54, F42B 12/34 (86) International application number: PCT/GB0103/320 (87) International publication number: WO 0201/0671 (07.02.2002 Gazette 2002/06)

(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: 28.07.2000 GB 0018593 21.11.2000 GB 0028371 28.11.2000 GB 0028961 (71) Applicant: Brydges-Price, Richard Ian Angus,Tayside DD9 7QQ (GB)	(72) Inventor: Brydges-Price, Richard Ian Angus,Tayside DD9 7QQ (GB) (74) Representative: King, James Bertram  Kings Patent Agency Limited,73 Farringdon Road London EC1M 3JQ London EC1M 3JQ (GB)