US PATENT SUBCLASS 266 / 203
.~ By means specialized to puddle metal

Current as of: June, 1999
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266 /   HD   METALLURGICAL APPARATUS

200  DF  MEANS FOR MELTING OR VAPORIZING METAL OR TREATING LIQUEFIED METAL {19}
203.~ By means specialized to puddle metal

DEFINITION

Classification: 266/203

(under subclass 200) Device wherein means are provided to mechanically work and to contact molten metal with an additive, such as mill scale or ore, while in the presence of an oxidizing atmosphere, whereby a semi-solid product is produced.