Patents Assigned to Akustikbyran AB
  • Assembly for applying thin damping layers in building structures
    Patent number: 3956563
    Abstract: A noise-, and vibration-, damping article for use in a building structure is a laminated composite consisting essentially of a backing strip which on each of its two sides is provided with a damping layer comprising a viscoelastic material. At least one of said damping layers includes a granular material receptive to bonding with a material of the building structure.
    Type: Grant
    Filed: August 7, 1973
    Date of Patent: May 11, 1976
    Assignee: Akustikbyran AB
    Inventors: Kjell K. I. Spang, Gunnar I. Hagbjer, Jan Werner, Goran R. Gadefelt, Bo M. S. Egerborg