Patents Assigned to Graham Group
  • Hot coating by induction levitation
    Patent number: 5662969
    Abstract: A coating apparatus and method for applying a coating to a workpiece, comprising:a vessel to contain molten metal;an induction coil disposed about said vessel; and,temperature regulation means;wherein, in use, said induction coil induces a magnetic field within said vessel such that a meniscus of molten metal is formed above said vessel, through which said workpiece is passed for coating, whilst said temperature regulation means regulates temperature of said molten metal and/or controls the meniscus height of said meniscus.
    Type: Grant
    Filed: July 26, 1996
    Date of Patent: September 2, 1997
    Assignee: Graham Group
    Inventor: Ping Ling