| 摘要 |
In a caterpillar track type mold having opposed moving mold belts wherein molten metal is fed to the mold by a nozzle, a process for preventing back flow of metal between the moving mold belts and the nozzle comprising feeding a fluxing powder between the nozzle and the moving mold belts wherein the fluxing powder forms a protective skin on the surface of the molten metal downstream of the nozzle.
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