(19)

(11)

EP 0 245 243 A1

(12)

(43) Date of publication: 19.11.1987 Bulletin 1987/47 (21) Application number: 85905704.0 (22) Date of filing: 01.11.1985

(51) International Patent Classification (IPC):  B63B 27/ 14( . ) E01D 15/ 24( . ) (86) International application number: PCT/US1985/002157 (87) International publication number: WO 1987/002723 (07.05.1987 Gazette 1987/10)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (71) Applicant: LOCKHEED SHIPBUILDING COMPANY S.W. Seattle, WA 98134 (US)	(72) Inventor: GILBERT, Bruce, Norling Seattle, WA 98109 (US)