(19)

(11)

EP 0 231 341 A1

(12)

(43) Date of publication: 12.08.1987 Bulletin 1987/33 (21) Application number: 86905015.0 (22) Date of filing: 28.07.1986

(51) International Patent Classification (IPC):  B63B 1/ 14( . ) (86) International application number: PCT/US1986/001526 (87) International publication number: WO 1987/000813 (12.02.1987 Gazette 1987/04)

(84) Designated Contracting States: FR IT NL (30) Priority: 08.08.1985 US 19850763667 (71) Applicant: WILSON, Silvia, Dorothy, Preisig Fort Myers, FL 33901 (US)	(72) Inventor: WILSON, Earl, Boden, Jr. Fort Myers, FL 33901 (US) (74) Representative: Harrison, Philippa Dinah  A. A. THORNTON & CO Northumberland House 303-306 High Holborn London WC1V 7LE London WC1V 7LE (GB)