Patent attributes
The particulate mixer is part of a blender that includes a cylindrical drum with a particulate mixing chamber. A rotating shaft is arranged in a horizontal direction in the particulate mixing chamber. Four arms project in a radial direction from the rotating shaft and include four paddles with respective stirring blades spaced from each other in an axial direction on the rotating shaft. The drum has a cylindrical center portion and side portions that communicate with the cylindrical center portion. Each of the side portions has a lower face and a vertical face. The drum is in the form of a truncated cone with the rotating shaft as its axis. The stirring blades have a driving end face and a driven end face with slopes corresponding to the slopes of the lower face of the side portions.