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
Landscapes
Vibration Prevention Devices
(AREA)
Apparatuses For Generation Of Mechanical Vibrations
(AREA)
Marteau foreur et/ou marteau a percussion, ou l'excentricite agissant sur l'organe d'entrainement est reglable entre zero et une valeur maximale