Patent ID: 7097349
Filing Date: 2006-08-29
Classification: B01F

Abstract:
1. A blending tool for rotation upon a blending machine shaft, such tool comprising: (a) a shank having a long axis, at least one end, and an end region proximate to the end; and (b) a riser member fixedly mounted during rotation at the end region of the shank, said riser member having a forward region and a region near its trailing edge, wherein the riser member is thicker in the region near its trailing edge than in the forward region and wherein said riser member has an outside surface with a forward region angled outward from the long axis of the shank, and wherein the riser member has an inside surface that bulges inwardly toward an axis of rotation in a curved manner in a shape such that the inward bulge connects with the trailing edge and wherein the outside surface of the riser is substantially flat.