Gas blowing nozzle, and production and usage thereof

Details Gas blowing nozzle, and production and usage thereof Gas blowing nozzle, and production and usage thereof

1982-06-02

1984-03-27

Andrews, M. J.

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

By means introducing treating material

266224, 266265, 266270, 239556, 239DIG19, C21B 716

Patent

active

044389078

ABSTRACT:
A gas blowing nozzle is produced by molding a non-porous substance into a molding frame under pressure and at the same time positioning a plurality of gas passageways forming members at predetermined spaces and distances from each other. The passageway holes have cross sectional shapes as desired, so that the gas blowing may be accurately controlled to perform refining of molten metal.

REFERENCES:
patent: 1390694 (1921-09-01), Frawley, Jr.
patent: 3817744 (1974-06-01), LeRoy et al.
patent: 4317679 (1982-03-01), Dantzig et al.

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