(19)

(11)

EP 1 200 966 A1

(12)

(43) Date of publication: 02.05.2002 Bulletin 2002/18 (21) Application number: 99973787.7 (22) Date of filing: 16.03.1999

(51) International Patent Classification (IPC)7: G21G 4/06 (86) International application number: PCT/IB9900/440 (87) International publication number: WO 0055/866 (21.09.2000 Gazette 2000/38)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE (71) Applicant: Joubert, Gideon Jacobus Johannes 0216 Hartbeespoort (ZA)	(72) Inventor: Joubert, Gideon Jacobus Johannes 0216 Hartbeespoort (ZA) (74) Representative: Miles, John Stephen  Eric Potter Clarkson,Park View House,58 The Ropewalk Nottingham NG1 5DD Nottingham NG1 5DD (GB)