77678 ⎘
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 for article conveyors, e.g. for container conveyors
Sub-classes: