(19)

(11)

EP 0 993 660 A1

(12)

(43) Date of publication: 19.04.2000 Bulletin 2000/16 (21) Application number: 97909090.9 (22) Date of filing: 17.10.1997

(51) International Patent Classification (IPC)7: G07C 1/30 (86) International application number: PCT/BR9700/056 (87) International publication number: WO 9853/432 (26.11.1998 Gazette 1998/47)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 20.05.1997 BR 9703568 (71) Applicant: Filho, Nestor Malard Mangabeiras, CEP-30210 Belo Horizonte, MG (BR)	(72) Inventor: Filho, Nestor Malard Mangabeiras, CEP-30210 Belo Horizonte, MG (BR) (74) Representative: Nettleton, John Victor et al Abel & Imray20 Red Lion Street London WC1R 4PQ London WC1R 4PQ (GB)