发明名称 Device for directional gas distribution into molten metal
摘要 A solid non-permeable pocket block for incorporation in a normal refractory lining of a ladle or other metallurgical vessel is provided with a plurality of passageways through which gas, such as argon, can be introduced into molten metal in a ladle or the like in desirable stirring and protective patterns.
申请公布号 US5225143(A) 申请公布日期 1993.07.06
申请号 US19910717351 申请日期 1991.06.18
申请人 INSUL COMPANY, INC. 发明人 LABATE, II, MICHAEL D.;GARCIA, VICTOR D.;MANSELL, JR., DALLAS F.
分类号 B22D1/00 主分类号 B22D1/00
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