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John Imray
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14,486. Imray, J., [Soc. Electro-Metallurgique Franþaise]. July 16. Electric furnaces.-Wrought iron, cast iron, or steel is produced by means of a resistance furnace having electrodes b, c in contact with the slag only ; two tap-holes d, e for metal and slag respectively are provided, either at opposite ends of the furnace as shown in Fig. 1, or at the same end. The crown of the furnace comprises sections g, which can be tilted for charging purposes, as shown in Fig. 4, or removed altogether. Firebrick slabs n close the open spaces between the electrodes and sections g.
GB190114486D1901-07-161901-07-16Process and Apparatus for the Manufacture of Wrought Iron, Steel, and Cast Iron by Electric Heating.
ExpiredGB190114486A
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