Description
MANUFACTURE OF IRON OR STEEL (preliminary treatment of ferrous ores or scrap C22B 1/00; electric heating H05B)
MANUFACTURE OF IRON OR STEEL (preliminary treatment of ferrous ores or scrap C22B 1/00; electric heating H05B)
Subclass | Title |
---|---|
3/00 | General features in the manufacture of pig-iron (mixers for pig-iron C21C 1/06) |
3/02 | General features in the manufacture of pig-iron (mixers for pig-iron C21C 1/06) by applying additives, e.g. fluxing agents |
3/04 | General features in the manufacture of pig-iron (mixers for pig-iron C21C 1/06) Recovery of by-products, e.g. slag |
3/06 | General features in the manufacture of pig-iron (mixers for pig-iron C21C 1/06) Recovery of by-products, e.g. slag Treatment of liquid slag (slag wool C03B; slag stones C04B) |
3/08 | General features in the manufacture of pig-iron (mixers for pig-iron C21C 1/06) Recovery of by-products, e.g. slag Treatment of liquid slag (slag wool C03B; slag stones C04B) Cooling slag |