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Apparatus and method for transferring material to subaqueous levels

  • US 5,237,946 A
  • Filed: 09/24/1991
  • Issued: 08/24/1993
  • Est. Priority Date: 01/23/1989
  • Status: Expired due to Term
First Claim
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1. A method of disposal of waste material on subaqueous ground substantially without said material coming into contact with surrounding water during descent, which comprises transporting said material to a location above a selected site for disposal, conveying said material in a vessel in a descending path to a level at, or close to, said subaqueous ground, and depositing said material out of said vessel onto said subaqueous ground, wherein said conveying step includes moving said vessel under free fall conditions for part of its descent to said level.

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