Patent Granted for Variable Rate Bulk Bag Unloader

Totowa, NJ-Vibra Screw, Inc, a leader in processing and solids handling equipment, has been issued U.S. Patent No. 7,475,793 for its Variable Rate Bulk Bag Unloader. The new unit provides controlled and variable flow from bulk bags without the need for a separate feeder or conveyor. This substantially reduces cost, overall system height and complications of the design. Vibra Screw manufactures high quality equipment to store, discharge, meter, convey, size and blend bulk materials. The company’s product line includes Bulk Bag Unloaders and Fillers, Volumetric and Gravimetric Feeders, Bin Activators, Vibrating Bins, Vibrating Feeders and Blenders.