B - Operations – Transporting – 63 – B
Patent
B - Operations, Transporting
63
B
B63B 17/06 (2006.01) B09B 1/00 (2006.01) B63B 22/18 (2006.01) B63B 27/08 (2006.01) B63B 35/00 (2006.01)
Patent
CA 2059375
A method of disposal of waste material on subaqueous ground is disclosed, and comprises transporting the material to a location above a selected site for disposal, conveying the material in a vessel to a level at, or close to, the subaqueous ground, and depositing the material onto the subaqueous ground. The vessel travels under free-fall conditions for part of its descent. Also provided is a vessel which comprises a generally cylindrical body comprising a containment area having an opening at its upper end for receiving material which is to be transported by the vessel, and having at its lower end means for permitting egress of the material. The vessel is provided, at a position intermediate its upper end and its centre of mass, with at least two wing-like members at diametrally opposed positions; and is also provided with means for pivoting the wing-like members between a first position in which they lie substantially flat against the exterior of the vessel and a second position in which they extend outwardly from the body of the vessel. In the second position, they present an increased surface area to the surrounding water and provide thereby a decelerating effect on the motion of the vessel when the vessel is moving downwardly within the body of water. A marine system for subaqueous waste disposal is also disclosed, which comprises a ship and a vessel generally as described above.
Copson Alex George
Sim & Mcburney
LandOfFree
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