A machine and method for layering sheets of food material has a conveyor belt for conveying a plurality of sheets of flexible food material lying flat and parallel to one another on the conveyor belt and at least one substantially stationary spiral guide positioned above the conveyor belt. Each spiral...http://www.google.co.uk/patents/US4899650?utm_source=gb-gplus-sharePatent US4899650 - Machine for layering sheets of food material
