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Priority to LU29492ApriorityCriticalpatent/LU29492A1/fr
Publication of LU29492A1publicationCriticalpatent/LU29492A1/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
B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
B07B1/56—Heated screens
B07B1/62—Heated screens heated by direct electric heating
