(19)

(11)

EP 0 651 712 A1

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(43) Date of publication: 10.05.1995 Bulletin 1995/19 (21) Application number: 93917919.0 (22) Date of filing: 26.07.1993

(51) International Patent Classification (IPC):  B63C 11/ 46( . ) (86) International application number: PCT/GB1993/001578 (87) International publication number: WO 1994/002355 (03.02.1994 Gazette 1994/04)

(84) Designated Contracting States: BE DE DK ES FR GB GR IE IT MC NL PT SE (30) Priority: 25.07.1992 GB 19920015874 (71) Applicant: SNEATH, Andrew John Saville Rednal, Birmingham B45 9QQ (GB)	(72) Inventor: SNEATH, Andrew John Saville Rednal, Birmingham B45 9QQ (GB) (74) Representative: Lally, William, et al  FORRESTER & BOEHMERT Franz-Joseph-Strasse 38 D-80801 München D-80801 München (DE)