(19)

(11)

EP 1 034 516 A1

(12)

(43) Date of publication: 13.09.2000 Bulletin 2000/37 (21) Application number: 98964432.3 (22) Date of filing: 19.11.1998

(51) International Patent Classification (IPC)7: G07D 7/00 (86) International application number: PCT/EP9807/547 (87) International publication number: WO 9927/502 (03.06.1999 Gazette 1999/22)

(84) Designated Contracting States: BE DE FR GB IT NL (30) Priority: 26.11.1997 EP 97203672 (71) Applicants: N.V. BEKAERT S.A. 8550 Zwevegem (BE) PA Consulting Services Limited London SW1W 9SR (GB)	(72) Inventors: FISHER, John Royston,Herts SG8 5SG (GB) ROBERTSON, Paul Royston,Herts SG8 8QZ (GB) BURRELL, John Cambridge CB3 7TH (GB) (74) Representative: Messely, Marc  N.V. Bekaert S.A.,I.P.D.-4011,Bekaertstraat 2 8550 Zwevegem 8550 Zwevegem (BE)