Patents Assigned to William Boulton Limited
  • Methods and apparatus for the treatment of products
    Patent number: 4201017
    Abstract: A method and apparatus for the treatment of products, such as for mixing materials, in which the products are introduced into a chamber having a spiral treatment path, a central inlet and a peripheral outlet and disposed in a horizontal plane, the products being subjected to vibratory movement to constrain them to travel along and around the spiral path from the inlet to the outlet.
    Type: Grant
    Filed: May 19, 1978
    Date of Patent: May 6, 1980
    Assignee: William Boulton Limited
    Inventors: Anthony F. Davenport, Harry B. Brailsford