Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By means introducing treating material
Patent
1979-05-29
1981-01-06
Rosenberg, P. D.
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
By means introducing treating material
C21C 548
Patent
active
042432103
ABSTRACT:
A tundish for the continuous casting of steel, which is equipped with excellently easily-separable gas blowing elements consisting of an assembly of a gas-permeable refractory moulding and a less gas-permeable refractory shell, the gas permeability of which is less than 1/5 that of said moulding.
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patent: 3330645 (1967-07-01), Moustier
patent: 3343829 (1967-09-01), Coates
patent: 3541604 (1970-11-01), Nomura
patent: 3633898 (1972-01-01), Josefsson
patent: 3773226 (1973-11-01), Kutzer
patent: 4139184 (1979-02-01), Griffith
Aikoh Co. Ltd.
Rosenberg P. D.
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