US PATENT SUBCLASS 175 / 13
.~ With introduction of slag forming flux


Current as of: June, 1999
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175 /   HD   BORING OR PENETRATING THE EARTH

11  DF  BORING BY DIRECTLY APPLYING HEAT TO FLUIDIZE OR COMMINUTE {5}
13.~ With introduction of slag forming flux


DEFINITION

Classification: 175/13

(under subclass 11) Subject matter in which a chemical compound is directed into the heated or molten mass of disintegrated material to bring about the formation of a resultant product having a desirable property (e.g., to increase fluidity).

SEE OR SEARCH CLASS

75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures,

303+, for fluxes for smelting and treating ores.