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Method and apparatus for transfer of liquefied gas

  • US 3,962,882 A
  • Filed: 09/11/1974
  • Issued: 06/15/1976
  • Est. Priority Date: 09/11/1974
  • Status: Expired due to Term
First Claim
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1. A method of transferring a liquefied gas from a first container to a second container without removal of vapor from the second container which comprises the following sequential steps:

  • a. cooling a multiple part conduit having a disconnectable coupling between two parts thereof by removing liquefied gas from said first container, pressurizing the removed liquefied gas and returning the pressurized liquefied gas to said first container through said conduit;

    b. breaking said conduit at the coupling thereof into first and second parts and establishing communication between said first container and said second container through the first part of the cooled conduit while closing off the second part thereof; and

    c. transferring liquefied gas under pressure from said first container to said second container through said first part of said conduit.

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