Patents Represented by Attorney, Agent or Law Firm Roger K. Gobrogge
  • Patent number: 6625196
    Abstract: The present invention relates to a self-baking electrode for use in low electric reduction furnaces, and refers particularly to a container (1) for the formation of self-baking electrodes to be used in low electric reduction furnaces, allowing the manufacture of silicon alloys with iron content as low as 0.25%, The container comprising an aluminum cylindrical casing (11) split in two parts containing therein a plurality of stainless steel ribs (12) uniformly attached perpendicularly along the inner surface of the casing (11) lengthwise along the cylindrical casing (11), wherein the cylindrical casing (11) is made of aluminum plates and the ribs (12) are made of stainless steel plates.
    Type: Grant
    Filed: August 2, 2001
    Date of Patent: September 23, 2003
    Assignee: Companhia Brasileira Carbureto de Calcio
    Inventor: Hélio Cavalcante Lopes de Albuquerque