Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By means introducing treating material
Patent
1989-08-17
1991-02-19
Kastler, S.
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
By means introducing treating material
266217, C21C 532
Patent
active
049936913
ABSTRACT:
A gas injection lance for use in metal refining is disclosed. The lance includes a tube having an inner diameter profile and a throttle member slidably received with the tube. The tube and throttle member define an annular gas flowpath. The throttle body may be moved axially within the tube to modify the characteristics of the flowpath.
REFERENCES:
patent: 4730784 (1988-03-01), Bock et al.
Bock Andre
Decker Michel
Heintz Carlo
Henrion Romain
Klein Henri
Arbed S.A.
Kastler S.
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