C - Chemistry – Metallurgy – 21 – C
Patent
C - Chemistry, Metallurgy
21
C
39/105
C21C 5/48 (2006.01) F27D 3/16 (2006.01)
Patent
CA 1297670
ABSTRACT OF THE DISCLOSURE A device for introducing gas into a mass of molten metal comprises a refractory plug and a jacket positioned thereabout in spaced relation thereto, said device having an upper end and a lower end with said upper end being substantially larger than said lower end so as to fit into a pocket block having a passage- way extending vertically therethrough. The pocket block forms a portion of a refractory lining in a container for the molten metal and an opening in said container and refractory lining defines a passageway for gas introduced thereinto whereby said gas will flow upwardly between said plug and said jacket into said molten metal in said container.
536267
Labate Micheal D.
Perri Joseph A.
Frayne & Company Robert
Insul Company Inc.
Labate Micheal D.
Perri Joseph A.
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