(19)

(11)

EP 1 390 592 A1

(12)

(43) Date of publication: 25.02.2004 Bulletin 2004/09 (21) Application number: 02748722.2 (22) Date of filing: 28.05.2002

(51) International Patent Classification (IPC)7: E04F 13/04 (86) International application number: PCT/EP2002/005872 (87) International publication number: WO 2002/097215 (05.12.2002 Gazette 2002/49)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 31.05.2001 BE 200100369 (71) Applicant: N.V. BEKAERT S.A. 8550 Zwevegem (BE)	(72) Inventor: TIMPERMAN, Leopold B-8550 Zwevegem (BE) (74) Representative: Demeester, Gabriel  N.V. Bekaert S.A.Bekaertstraat 2 8550 Zwevegem 8550 Zwevegem (BE)