Description
Class B07B : SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
Subclass 1/32: Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting, or wobbling screens jigging or moving to-and-fro within their own plane transverse to the direction of conveyance