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B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
B07B7/083—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
FR691943D1929-03-291930-03-14Appareil à réduire et classer les minerais, charbons et autres matières
ExpiredFR691943A
(fr)