(19)

(11)

EP 0 587 677 A1

(12)

(43) Date of publication: 23.03.1994 Bulletin 1994/12 (21) Application number: 92911658.0 (22) Date of filing: 11.06.1992

(51) International Patent Classification (IPC):  B63B 1/ 28( . ) B63H 9/ 06( . ) (86) International application number: PCT/EP1992/001342 (87) International publication number: WO 1992/022396 (23.12.1992 Gazette 1992/32)

(84) Designated Contracting States: BE CH DE ES GB IT LI NL (30) Priority: 11.06.1991 GB 19910012508 (71) Applicant: DUNCAN, Ian James Porte Neuve, F-17000 La Rochelle (FR)	(72) Inventor: DUNCAN, Ian James Porte Neuve, F-17000 La Rochelle (FR) (74) Representative: Polus, Camille, et al  c/o Cabinet Lavoix 2, Place d'Estienne d'Orves F-75441 Paris Cedex 09 F-75441 Paris Cedex 09 (FR)