Patents Assigned to WP-System AB
  • Installation for the storage of gas, especially natural gas
    Patent number: 3990248
    Abstract: An installation for storing liquid gas, characterized by a storge cavity, of which all internal surfaces for enabling the storage of the gas in a liquid state, are coated with a continuous insulation, comprising a plurality of superposed layers of cold-resistant cellular or porous material, at least some of the internal layers at the side thereof turned toward the interior of the cavity, each having an adhering surface skin, and are provided with dilatation elements.
    Type: Grant
    Filed: February 26, 1975
    Date of Patent: November 9, 1976
    Assignees: WP-System AB, ABV-Vagforbattringar AB
    Inventor: Ake Calminder