(19)

(11)

EP 0 961 729 A1

(12)

(43) Date of publication: 08.12.1999 Bulletin 1999/49 (21) Application number: 98903212.0 (22) Date of filing: 17.02.1998

(51) International Patent Classification (IPC):  E01D 15/ 00( . ) B63B 35/ 34( . ) B63B 27/ 14( . ) (86) International application number: PCT/IB1998/000205 (87) International publication number: WO 1998/036965 (27.08.1998 Gazette 1998/34)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 19.02.1997 IT 1997ME00004U (71) Applicant: Ricciardello, Salvatore 98061 Brolo (IT)	(72) Inventor: Ricciardello, Salvatore 98061 Brolo (IT) (74) Representative: Ablewhite, Alan James, et al  MARKS & CLERK, 57/60 Lincoln's Inn Fields London WC2A 3LS London WC2A 3LS (GB)