Title:
GATE SLEEVE FOR VESSEL HAVING MOLTEN METAL AND OPERATION METHOD THEREOF
Document Type and Number:
Japanese Patent JPS61238459
Kind Code:
A
Abstract:
A discharge nozzle assembly for discharging molten metal from a metallurgical vessel includes a refractory nozzle brick having therethrough a discharge passage. An annular member formed of a refractory gas-permeable material is embedded in the nozzle brick and has an inner surface defining a discharge passage aligned with the discharge passage of the nozzle brick. A processing gas is supplied to the annular, gas-permeable member which supplies such gas to the discharge passage. The annular member is encased in metal, except for the inner surface thereof, to prevent leakage of the gas.
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Inventors:
RORUFU BUARUTENSHIYUPIYUURU
Application Number:
JP8028786A
Publication Date:
October 23, 1986
Filing Date:
April 09, 1986
Export Citation:
Assignee:
STOPINC AG
International Classes:
B22D37/00; B22D41/28; B22D41/42; B22D41/58; (IPC1-7): B22D37/00; B22D41/08
Attorney, Agent or Firm:
Toshio Yano
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