(19)

(11)

EP 2 285 660 A1

(12)

(43) Date of publication: 23.02.2011 Bulletin 2011/08 (21) Application number: 08760302.3 (22) Date of filing: 30.05.2008

(51) International Patent Classification (IPC):  B63B 9/06(2006.01) (86) International application number: PCT/EP2008/056715 (87) International publication number: WO 2009/143899 (03.12.2009 Gazette 2009/49)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (71) Applicant: GVA Consultants AB 404 29 Göteborg (SE)	(72) Inventor: WESTRE, Bernt Erik S-41661 Göteborg (SE) (74) Representative: VALEA AB  Lindholmspiren 5 417 56 Göteborg 417 56 Göteborg (SE)