Patents Assigned to Coated Electrodes Limited
  • Apparatus for sealing electrodes in electric arc furnaces
    Patent number: 4587658
    Abstract: Apparatus for sealing an electrode in an electric arc furnace comprises an annular chamber which is adapted to encompass the electrode and includes a ring-shaped cover member of a refractory material which is supported above or is formed integrally with an upstanding cylindrical wall member. The wall member has a passageway which is inclined with respect to the radius of the chamber and is connected to receive gas under pressure and to discharge such gas on to and around the encompassed electrode effectively to seal the space around the electrode.
    Type: Grant
    Filed: November 30, 1984
    Date of Patent: May 6, 1986
    Assignee: Coated Electrodes Limited
    Inventors: Kevin D. Ball, Peter Davies
  • Apparatus for sealing electrodes in electric arc furnaces
    Patent number: 4517678
    Abstract: Apparatus for sealing an electrode in an electric arc furnace comprises an annular chamber which is adapted to encompass the electrode and includes a ring-shaped cover member of a refractory material which is supported above or is formed integrally with an upstanding cylindrical wall member. The wall member has a passageway which is inclined with respect to the radius of the chamber and is connected to receive gas under pressure and to discharge such gas on to and around the encompassed electrode effectively to seal the space around the electrode.
    Type: Grant
    Filed: November 22, 1982
    Date of Patent: May 14, 1985
    Assignee: Coated Electrodes Limited
    Inventors: Kevin D. Ball, Peter Davies