(19)

(11)

EP 1 368 510 A1

(12)

(43) Date of publication: 10.12.2003 Bulletin 2003/50 (21) Application number: 01272502.4 (22) Date of filing: 20.12.2001

(51) International Patent Classification (IPC)7: C23F 13/08, C23F 13/22 (86) International application number: PCT/GB0105/689 (87) International publication number: WO 0205/3804 (11.07.2002 Gazette 2002/28)

(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: 03.01.2001 GB 0100104 (71) Applicant: Flight Refuelling Limited Wimborne,Dorset BH21 2BJ (GB)	(72) Inventor: HUDSON, Steven, Martin Sturminster Newton,Dorset DT10 1HQ (GB) (74) Representative: Faulkner, Thomas John  fJ Cleveland,40-43 Chancery Lane London WC2A 1JQ London WC2A 1JQ (GB)