Patent ID: 8827545
Filing Date: 2014-09-09
Classification: B01F,B07B

Abstract:
1. An apparatus for alternately sifting and blending powders in the same operation, comprising: a. a first screen section; b. a second screen section configured for being assembled in alignment with the first screen section; c. a first end frame configured to be removeably assembled to the first screen section; d. a second end frame configured to be removeably assembled to the second screen section; e. means for assembling the first end frame, the first screen section, the second screen section and the second end frame together; f. a first agitator section; g. a second agitator section configured for being assembled coaxially to the first agitator section between the first and the second end frames; and h. a shaft for mounting the first and second agitator sections for rotation; i. whereas the end frames and the screen sections are removeably assembled within a tumbling container for rotation therewith, and the agitator sections are assembled to each other on the shaft, the shaft mounted to the tumbling container for independent rotation relative thereto.