(19)

(11)

EP 0 419 484 A1

(12)

(43) Date of publication: 03.04.1991 Bulletin 1991/14 (21) Application number: 89902038.0 (22) Date of filing: 03.02.1989

(51) International Patent Classification (IPC):  B63C 7/ 00( . ) E02F 3/ 92( . ) E02F 5/ 28( . ) E02F 3/ 90( . ) E02F 5/ 10( . ) (86) International application number: PCT/EP1989/000112 (87) International publication number: WO 1989/007691 (24.08.1989 Gazette 1989/20)

(84) Designated Contracting States: AT BE CH DE ES FR GB GR IT LI LU NL SE (30) Priority: 09.02.1988 GB 19880002907 (71) Applicant: RAPID MULTIPURPOSE (UK) WING DREDGING CO LTD Nr Staplecross East Sussex TN32 5TB (GB)	(72) Inventor: BURRING, Paul John Margate, Kent (GB) (74) Representative: Wright, Hugh Ronald  Brookes & Martin High Holborn House 52/54 High Holborn London WC1V 6SE London WC1V 6SE (GB)