Patents Assigned to Pullman Berry
  • Instrument lance for basic oxygen steelmaking furnace
    Patent number: 4272989
    Abstract: A lance assembly for insertion into a steelmaking vessel includes a sensor instrument supporting nozzle assembly which projects outwardly from the lance and which is cooled by water circulation. The lance has provisions for the inclusion of an inert gas which is directed into a reduced diameter cable enclosing pipe connected to the nozzle supporting the sensor instrument.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: June 16, 1981
    Assignee: Pullman Berry
    Inventors: Nicholas M. Rymarchyk, Leo L. Meinert
  • Chute for charging vessels
    Patent number: 4245824
    Abstract: A water cooled material additive chute for introducing fluxing material into a steel furnace includes water cooled inlet and outlet chambers meeting at a tip or nose portion which includes deflectors adapted to increase the cooling efficiency of the water coolant and includes a pipe structure which accommodates thermal expansion.
    Type: Grant
    Filed: December 28, 1978
    Date of Patent: January 20, 1981
    Assignee: Pullman Berry
    Inventor: Nicholas M. Rymarchyk