Process of and Apparatus for Simultaneously Washing and Assorting Coal and the like

23,259. Kremer, C. J. Oct. 27. Washing coal &c.-Relates to jigging-apparatus for simultaneously washing and separating coal and like material. The coal is fed down the shoot i on to the sieve b of the receptacle a The smaller pieces of coal and slate pass through and are led away through the bottom m and a shoot e to a finer sieve n in a receptacle f, where they are separated, but the larger pieces are stopped by the sieve b, the slate coming to the bottom. The water being disturbed by the oscillation of the piston h, the coal is washed over the plate k into a shoot c, while the slate underneath passes into a trough l, in which it is led away by a transportscrew d.