FIELD: heating furnaces. SUBSTANCE: initial raw materials are melted, melt is poured into ingot mold in which one wall is separable and has hollow communicated with hollow of ingot mold. Then, melt is cooled, and side wall of each ingot mold is separated, and ingot sample is withdrawn. EFFECT: higher efficiency. 2 dwg
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Authors
Dates
1994-07-15—Published
1991-06-28—Filed