Patents Assigned to Valfo
  • Friction liner for a dry friction device, a method of making such a liner, and a clutch friction wheel having such a liner
    Patent number: 6571449
    Abstract: A friction liner, for a dry friction device such as a clutch friction wheel, or a disk brake for a motor vehicle gearbox, is of flat, annular general form. It comprises a flat annular body of friction material having a cylindrical inner surface and a cylindrical outer surface. At least one annular reinforcing zone is incorporated in the body of the liner.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: June 3, 2003
    Assignee: Valfo
    Inventors: Loïc Adamczak, David Kierbel, Claude Legrand, Richard Guerin