Fume dust suppression during pouring of molten metal, and apparatus
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United States of America Patent
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-
Jun 17, 2003
Grant Date -
Dec 20, 2001
app pub date -
Jun 15, 2001
filing date -
Jun 16, 2000
priority date (Note) -
Expired
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Abstract
Fume dust is prevented when molten metal is poured into a vessel, and water spray of water mist is introduced into the vessel or onto the molten metal, creating a reduced level of oxygen concentration of about 12% by volume, preferably about 8% by volume, inside the vessel or at the molten metal surface.
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