Patent ID: 6467423
Filing Date: 2002-10-22
Classification: B63B

Abstract:
A vessel comprising:a first anchor line that is structured to take up mooring forces and that is connected at a substantially fixed position near a bow of the vessel; a second anchor line that is structured to take up mooring forces and that is connected at a substantially fixed position near a stern of the vessel; said first and second anchor lines each comprising a first anchor line section extending substantially vertically downward from said vessel, said first anchor line section of both of said first and second anchor lines extending substantially vertically downward to a respective connection point located below a keel level of the vessel, each of said first and second anchor lines further comprising at least two branching anchor lines that are each connected to said respective connection point and to respective fixed anchoring points on a sea bed, wherein adjacent to said respective connection point said at least two branching anchor lines enclose an acute angle and extend substantially vertically downward; respective ballast weights connected to respective said first and second anchor lines adjacent to said respective connection points; and respective pulling devices connected to each of said first and second anchor lines that changes a paid-out length thereof so that both of said first and second anchor lines are maintained in a tensioned state and the vessel weathervanes around one of sa d first and second anchor lines.