Drum for Screening or Straining Small Coal and other Materials
20,943. Baecker, F. Oct. 1, 1908, [Convention date]. Rotary filters or strainers.-A drum a for draining small coal or other materials is divided into broad and narrow compartments c, d by means of perforated ring-shaped partitions b. The coal is delivered to the first compartment c by a shoot f and...
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