Patents Assigned to Den Norske Gipsplatefabrikk A/S
  • Method for the production of houses
    Patent number: 4114345
    Abstract: Housing construction by assemblying together extruded wall boards of a width equal to the desired wall height and cut to the appropriate length for each wall. The ceiling structure is then assembled to form a box-like assembly and the doors, windows, etc. are then cut out. The wall panel comprises plastic foam between gypsum boards and is formed with suitable conduits for electrical wire, etc.
    Type: Grant
    Filed: April 8, 1977
    Date of Patent: September 19, 1978
    Assignee: Den Norske Gipsplatefabrikk A/S
    Inventor: Walter Nilsen
  • Wall element
    Patent number: 3964228
    Abstract: The present invention relates to a wall-element comprising a porous central portion, e.g. of synthetic products and stiff outer layers, e.g. of plaster.
    Type: Grant
    Filed: November 22, 1971
    Date of Patent: June 22, 1976
    Assignee: Den Norske Gipsplatefabrikk A/S
    Inventor: Walter Nilsen