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CARL L CARLSON
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CARL L CARLSON
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Publication of FR458573ApublicationCriticalpatent/FR458573A/fr
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
B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
B07B13/04—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size
B07B13/07—Apparatus in which aggregates or articles are moved along or past openings which increase in size in the direction of movement
FR458573D1913-05-291913-05-29Appareil pour nettoyer et trier les pommes de terre ou autres produits
ExpiredFR458573A
(fr)