Ryson's spiral conveyor for mass flow of full and empty bottles, cans, jars and small containers conveys products up or down in a continuous mass flow. The spirals have a small footprint that provides space savings. Only one drive motor is needed, equating to substantial savings in controls and systems integration, says the company. Most spirals are shipped in one piece, pre-assembled and pre-tested. They are equipped with extended in- and out-feed tangents to facilitate smooth side transfer to and from external conveyors.