STT has been designing bulk material handling systems to handle bulk material products both mechanically and pneumatically for over 50 years. This experience provides us with the engineering expertise to design the best process and supply the appropriate equipment to ensure your operations run safely and efficiently.
Screw Conveyors for Bulk Materials Book No. 350. If we overlook the possibility that some caveman used some round tree branches under a rock to replace sliding friction by rolling friction, thereby inventing the roller conveyor, undoubtedly the first conveyor as such was designed by Archimedes (287 to