(19)

(11)

EP 1 224 418 A1

(12)

(43) Date of publication: 24.07.2002 Bulletin 2002/30 (21) Application number: 99939516.3 (22) Date of filing: 11.08.1999

(51) International Patent Classification (IPC)7: F17C 11/00 (86) International application number: PCT/GB9902/643 (87) International publication number: WO 0113/032 (22.02.2001 Gazette 2001/08)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT Designated Extension States: AL LT LV MK RO SI (71) Applicant: Hennara Investments Limited Road Town,Tortola (VG)	(72) Inventor: McALISTER, Roy, Edward Mesa, AZ 85202 (US) (74) Representative: Marsden, John Christopher  Frank B. Dehn & Co.,European Patent Attorneys,179 Queen Victoria Street London EC4V 4EL London EC4V 4EL (GB)