This invention relates to an offshore tankship mooring and loading system whereby loading and unloading of liquid material, particularly petroleum products, crude oil and chemicals, is made possible in areas of inadequate docking facilities. More particularly, the invention relates to the improvement of such system attainable by the utilization of a novel underwater swivel joint comprising a mercury seal, which joint connects a fixed submarine line and a rotatable loading line.

  • Corporate Authors:

    United States Patent Office

    2021 Jefferson Davis Highway
    Arlington, VA  United States  22202
  • Authors:
    • Bergstrom, E V
  • Publication Date: 1967-3

Subject/Index Terms

Filing Info

  • Accession Number: 00053900
  • Record Type: Publication
  • Source Agency: United States Patent Office
  • Report/Paper Numbers: No. 3,311,142 Patent
  • Files: TRIS
  • Created Date: May 7 1974 12:00AM