发明名称 |
GAS PERMEABLE BLOCKS OF FIRE-BRICKS |
摘要 |
A refractory gas-permeable structural unit for blowing a gas into a metal treatment vessel and through its casing has at least two elements composed of refractory material and having abutting longitudinal faces provided with at least one metal layer, a metal housing surrounding the elements to connect them with one another and tightly abutting against other longitudinal faces of the elements, and a gas distribution chamber formed at an end face of the elements and communicating with a gas supply conduit. |
申请公布号 |
PT73175(B) |
申请公布日期 |
1982.09.01 |
申请号 |
PT19810073175 |
申请日期 |
1981.06.11 |
申请人 |
ARBED,SA.-ACIERIES REUNIS DE BURBACH-EICH-DUDELA,SA. |
发明人 |
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分类号 |
C21C5/48;B22D1/00;C21C5/34;C21C7/072 |
主分类号 |
C21C5/48 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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