Patents Assigned to Ing. Leone Tagliaferri & C. S.p.A.
  • Gas purging plug for electric-arc furnaces and the corresponding electric-arc furnace
    Patent number: 5299785
    Abstract: The present invention pertains to a gas purging plug with integrated electrode for use in electric-arc furnaces.
    Type: Grant
    Filed: August 4, 1992
    Date of Patent: April 5, 1994
    Assignees: Radex-Heraklith Industriebeteiligungs Aktiengesellschaft, Ing. Leone Tagliaferri & C. S.p.A.
    Inventors: Georgio Cappelli, Helmut Vacek, Ing. Pericle Bosi