with supporting surface modified to facilitate movement of loads, e.g. friction reducing devices

Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors > Details > Troughs, channels, or conduits > with supporting surface modified to facilitate movement of loads, e.g. friction-reducing devices

Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors > Details > Troughs, channels, or conduits > with supporting surface modified to facilitate movement of loads, e.g. friction reducing devices