Patents Assigned to Dyno Industrier ASA
  • Water resistant explosive composition
    Patent number: 6261393
    Abstract: A dry water resistant ANFO-explosive, containing one or more organic fuels, one or more inorganic salts, one or more water thickening agents, and a gas generating substance which develops a gas when it gets in contact with water in a blast hole, and thereby transforms itself into a watergel slurry.
    Type: Grant
    Filed: March 24, 1999
    Date of Patent: July 17, 2001
    Assignee: Dyno Industrier ASA
    Inventor: Jan Hans Vestre
  • Method and delivering an explosive composition
    Patent number: 6210122
    Abstract: An explosive slurry is positioned in the interior of a pressure tank. A liquid is introduced into the interior of the pressure tank and into direct contact with the slurry. The slurry is forced out of the interior of the pressure tank to a position of utilization by the pressure of the liquid and without passing the slurry through a pump.
    Type: Grant
    Filed: June 4, 1999
    Date of Patent: April 3, 2001
    Assignee: Dyno Industrier ASA
    Inventor: Oddvar Brøndbo