(19)

(11)

EP 0 466 720 A1

(12)

(43) Date of publication: 22.01.1992 Bulletin 1992/04 (21) Application number: 90904817.0 (22) Date of filing: 22.03.1990

(51) International Patent Classification (IPC):  D07B 1/ 06( . ) (86) International application number: PCT/EP1990/000493 (87) International publication number: WO 1990/012145 (18.10.1990 Gazette 1990/24)

(84) Designated Contracting States: AT BE DE DK ES FR GB IT LU NL SE (30) Priority: 03.04.1989 EP 19890200838 (71) Applicant: N.V. BEKAERT S.A. B-8550 Zwevegem (BE)	(72) Inventors: BAILLIEVIER, Freddy B-8550 Zwevegem (BE) BERNARD, Huysentruyt B-8550 Zwevegem (BE) (74) Representative: Messely, Marc, Ir., et al  N.V. Bekaert S.A., Bekaertstraat 2 B-8550 Zwevegem B-8550 Zwevegem (BE)