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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
B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
B07B1/18—Drum screens
FR430562A1910-10-111911-06-03Cribles pour le criblage et le triage de la pierre broyée ou concassée, ou de minerai, ou d'autres matières similaires
ExpiredFR430562A
(fr)
Perfectionnements aux appareils pour désagréger, trier et mélanger les engrais artificiels, les minerais, l'argile et les matières chimiques et autres
Improvements in Separators more especially Designed for Screening or Separating the Fine Material from the Coarser Material of Argillaceous Earth, Mineral-bearing Earth, and the like.