Patents Assigned to Tobacco Research and Development Institute Ltd.
  • Drying of tobacco products
    Patent number: 4336660
    Abstract: In tobacco cut rag being fed to a drier not only the moisture content of the cut rag is regulated to be constant, but the temperature of the cut rag is also regulated to be constant. In addition the dry mass flow rate is kept constant. Except for local temperature control to ensure constant heat exchange levels, the temperature in the drier and the subsequent cooler is kept constant.
    Type: Grant
    Filed: October 24, 1980
    Date of Patent: June 29, 1982
    Assignee: Tobacco Research and Development Institute Ltd.
    Inventor: Mauritz L. Strydom