for moving bulk material in closed conduits, e.g. tubes

Full Title

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 > for moving bulk material in closed conduits, e.g. tubes

Child Classifications

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• B65G 19/16 the impellers being elements having an area substantially smaller than that of the conduit cross-section