Patent ID: 8245658
Filing Date: 2012-08-21
Classification: B63B

Abstract:
1. A cargo ship having at least one cargo tank positioned in a hold of said ship, said cargo ship comprising: a cargo hold having two ends, two sides, a bottom and a top; transverse and longitudinal structure members within said hold, said transverse members spaced at intervals within said cargo hold; a cylindrical cargo tank with at least three pedestal pairs mated to an outside surface of said tank below a circumferential diameter of said tank; each said pedestal pair positioned on said tank at a location coincident with one of said transverse structural members; longitudinal stringers on each side of said hold fixed to said transverse structural members and positioned to support said pedestals; transverse stops fixed to said longitudinal stringers so as to constrain movement of said cargo tank pedestals in the transverse direction but not in the longitudinal direction; longitudinal stops at one axial location so as to constrain said pedestals in said longitudinal direction but not said transverse direction; and a plurality of hold-down devices affixed to transverse structural members so as to keep said tank from floating upward away from said bottom should said cargo hold be flooded.