Patent ID: 7347111

Claim:
A particulate solids mixture segregation testing apparatus, comprising: a channel hopper for collecting the mixture, the channel hopper comprising: a first pair of opposed walls; and a second pair of opposed walls coupled with the first pair of opposed walls to form the channel hopper; wherein the channel hopper maintains a discharge opening at a lower end and a supply opening at an upper end, the supply opening providing access by the mixture to an interior chamber of the channel hopper and the discharge opening providing egress of the mixture from the interior chamber of the channel hopper; a plurality of mixture sample receptacles disposed to receive mixture supplied to the channel hopper for analysis of mixture segregation; and a first slidably mounted shuttle having a channel receptacle and a channel block disposed therein, the shuttle configured to slide reciprocally along the discharge opening of the channel hopper between a first position and a second position alternately exposing the channel receptacle to the discharge opening at the first position and the channel block at the second position.