Patent ID: 7328866

Claim:
Double-bottom tank and mixing auger for chopping animal feed for agricultural installations to prepare animal feed, comprising: a tank with a body ( 1 ) having a rounded bottom ( 2 ) and an insert ( 3 ) close to a center of the rounded bottom, the insert being curves, having a variable thickness and having a bevel edge ( 4 ) around a perimeter of the insert that starts at a base of the insert and ends at a top face of the insert and a mixing auger ( 5 ) which includes two blades disposed at 180° that have a laminar section and variable thickness, and are placed at a shaft's geometrical center; a reduced diameter of these blades improving the mixing process of the product whilst it is turned around, helping the mixture to move forward and significantly reducing mixing times and wherein the insert is inclined in such a way that two thirds of it rest against either side of the tank.