Patents Assigned to Gerbruder Kommerling Kunststoffwerke G.m.b.H.
  • Frame for doors, windows and the like
    Patent number: 4130976
    Abstract: The present invention relates to a frame for doors, windows and the like. The frame is provided with a foamed synthetic resin hollow profile having a densified outer skin. Further provided is a hollow metal profile within the foamed synthetic resin profile and lying against the corner surface of the resin profile.
    Type: Grant
    Filed: March 7, 1977
    Date of Patent: December 26, 1978
    Assignee: Gerbruder Kommerling Kunststoffwerke G.m.b.H.
    Inventors: Helmut Kesseler, Gerd L. Anstadt, Hermann Kiefer