SYNTRON

[ HYDRAULIC AND ] PNEUMATIC VIBRATORS AND THEIR CONTROLS FOR USE IN VIBRATING, INDUSTRIAL FEEDING, CONVEYING, SCREENING, AND OTHER APPARATUS; [ HYDRAULIC AND ] PNEUMATIC JOLTERS OR PACKERS AND THEIR CONTROLS FOR SETTLING OR COMPACTING COMMINUTED MATERIALS; VIBRATING INDUSTRIAL TABLES WITH ANY KIND OF VIBRATOR ATTACHED; VIBRATORY FEEDERS, FEEDER CONVEYORS, TROUGHS AND HOPPERS WITH VIBRATOR ATTACHMENT AND THEIR CONTROLS, AND VIBRATORY FEEDER MACHINES AND VIBRATED MACHINES AND THEIR CONTROLS FOR USE IN VARIOUS INDUSTRIES IN CONVEYING, FILLING, BATCHING, SCREENING, MIXING, ETC;, OF VARIOUS COMMINUTED MATERIALS OR WET MIXTURES; [ GASOLINE HAMMERS, HAMMER TOOLS AND HAMMER CONCRETE BUSTERS ]