发明名称 Improved nozzles for casting aluminium-killed steels.
摘要 <p>Forming nozzles in two parts, the first as a body made of a refractory material, preferably zirconium oxide or magnesite, having a central axial cavity passing right through it, and the second as a body of a clacium-oxide based refractory material, having an appropriate passage for the liquid steel and located in said axial cavity. </p>
申请公布号 EP0135482(A1) 申请公布日期 1985.03.27
申请号 EP19840830178 申请日期 1984.06.14
申请人 ACCIAIERIE DI PIOMBINO SPA 发明人 MARINO, EMILIO;MASTROMARINO, RAFFAELE
分类号 B22D41/54;C04B35/057;(IPC1-7):B22D11/10;C04B35/02;B22D41/08 主分类号 B22D41/54
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