Patents Assigned to Pickford Holland & Company Limited
  • Electrodes for glass furnaces
    Patent number: 4110545
    Abstract: A ceramic electrode comprises an electrode body having at least one longitudinal hole, an elongated hollow connector member of a noble metal having a cross-sectional shape corresponding to that of the hole and being a close fit in the hole, and a plug member having a cross-sectional shape corresponding to that of the connector member, and being a close fit within the connector member, the plug being formed from the same material as the electrode or from a material having the same expansion characteristics as the electrode material.
    Type: Grant
    Filed: December 3, 1976
    Date of Patent: August 29, 1978
    Assignee: Pickford Holland & Company Limited
    Inventors: Gordon B. Shaw, Richard J. Brinkman