(19)

(11)

EP 1 012 411 A1

(12)

(43) Date of publication: 28.06.2000 Bulletin 2000/26 (21) Application number: 98911284.2 (22) Date of filing: 27.03.1998

(51) International Patent Classification (IPC)7: E02F 7/10, E02F 5/00, E02F 3/88, E02D 15/10, E02D 15/06 (86) International application number: PCT/NL9800/174 (87) International publication number: WO 9844/207 (08.10.1998 Gazette 1998/40)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 28.03.1997 EP 97200884 (71) Applicant: VAN OORD ACZ B.V. 4207 HN Gorinchem (NL)	(72) Inventors: LINDO, Mark, Henry NL-2582 JS Den Haag (NL) PEERLKAMP, Kees, Peter NL-4286 CR Almkerk (NL) (74) Representative: Vollebregt, Cornelis Jacobus, Ir. et al Algemeen OctrooibureauWorld Trade CenterP.O. Box 645 5600 AP Eindhoven 5600 AP Eindhoven (NL)