Plastic extrusion-transport roller for photomechanical apparatus

摘要

A transport roller made of plastics by extrusion and used for photomechanical apparatus for transporting film or X-ray cassettes or the like is formed as a sleeve having an internal recess, the surface of which is provided with a plurality of inwardly radially protruding ribs which ensure a stable and rigid structure of the roller without requiring a metallic core in the roller.