POWDER DISPENSERS AND METHODS OF DISPENSING POWDER

The invention provides a powder dispenser comprising a tube of circular cross-section; an auger extending axially through the tube; and a disc-shaped distributor extending laterally to the axis of the tube and partially closing the tube, wherein the disc-shaped distributor comprises a central ring and arms extending radially therefrom, characterised in that, the central ring has a radius of between 55%-90% of the internal radius of the tube; at least one of the arms extends to no more than 1 mm from the internal wall of the tube; and wherein there is a distance defined by a circular arc concentric with the tube between each arm at a distance of 1 mm from the tube wall of between 30%-65% of the internal radius of the tube.