73340517
Dec 7, 1981
Sep 6, 1983
Inert Gas Shroud Used to Surround a Stream of Molten Metal During Pouring of the Metal from a Ladle or Tundish to an Ingot Mold or Continuous Casting Device, Inserts for the Gas Shroud and Flow Control Panel for Monitoring Inert Gas Flow to the Shroud
Environmental Control Apparatus