Star Screen

A star screen solves the problem a classic screen cannot: wet, sticky material that blinds the openings. Instead of a fixed perforated surface, here several rotating shafts carry elastic star-shaped discs. The shafts turn, the discs pass close to one another and clean each other, so the screening surface never…

A star screen solves the problem a classic screen cannot: wet, sticky material that blinds the openings. Instead of a fixed perforated surface, here several rotating shafts carry elastic star-shaped discs. The shafts turn, the discs pass close to one another and clean each other, so the screening surface never clogs. The effect on the material is different too. The star claws throw the waste upward and push it forward, in a hopping and tumbling motion. Anything smaller than the gap between the discs falls through. Anything larger, particularly flat material such as paper and cardboard, stays on top and…