Patents Assigned to Wolkro Aktiengesellschaft
  • Patent number: 3998981
    Abstract: An endless tire-mounted anti-skid belt is produced by spreading an endless fibrous mesh to the diameter of the vehicle tire on which the belt is to be mounted, impregnating the spread endless mesh with a hot-vulcanizable elastomer dissolved in a solvent, drying the impregnated spread endless mesh until at least 80% of the solvent has been removed, repeating the impregnation and drying steps several times until a desired thickness of elastomer has been deposited on the spread endless mesh, and curing the elastomer by vulcanization in an autoclave under hot steam.
    Type: Grant
    Filed: August 8, 1975
    Date of Patent: December 21, 1976
    Assignee: Wolkro Aktiengesellschaft
    Inventors: Lieselotte Burkhardt, Wilhelm Schuster, Walter Stuck