发明名称 |
UN PROCEDIMIENTO PARA LA ELABORACION DE LADRILLOS SEMIGRA- FITICOS PARA EL REVESTIMIENTO DEL HOGAR DE ALTOS HORNOS DES-TINADOS A LA PRODUCCION DE ARRABIO Y ACERO. |
摘要 |
<p>1294491 Graphite SIGRI ELEKTROGRAPHIT GmbH 12 June 1970 [20 June 1969] 28691/70 Heading C1A. A graphite brick comprises a mixture of granular (i.e. at least 0À075 mm. particle size) and pulverous (i.e. <0À075 mm. particle size) graphite, and comprises 30-70% by weight of the powder and from 70 to 30% by weight of the granular form, bonded with a carbonized pitch/tar binder. Preferred ranges of particle size are given and the green composition may include 15-26% by weight of binder when it is ready for shaping.</p> |
申请公布号 |
ES380418(A1) |
申请公布日期 |
1972.09.01 |
申请号 |
ES19180003804 |
申请日期 |
1970.05.04 |
申请人 |
SIGRI ELEKTROGRAPHIT, G. M. B. H. |
发明人 |
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分类号 |
C04B35/532;C21B7/06;(IPC1-7):04B/ |
主分类号 |
C04B35/532 |
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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