Classifying – separating – and assorting solids – Sifting – Elements
Patent
1995-03-13
1996-12-31
Terrell, William E.
Classifying, separating, and assorting solids
Sifting
Elements
209388, 209393, 209651, 209678, 19837001, 198498, 37340, B07B 152, B65G 4500
Patent
active
055885365
ABSTRACT:
A water based dredge includes a grizzly with a sieve and a pair of bi-directional rakes. The rakes translate relative to the stationary sieve to slide waste or recoverable material off of the grid and onto a refuse barge or material processing apparatus, respectively. A grab deposits dredge material onto the sieve and an operator determines whether the material includes waste such as clay or the like or recoverable material such as rocks, dirt, or sand. If the operator determines that the dredge material is waste, the rakes will be actuated for movement from a first direction to thereby push the waste off of the grizzly and onto a refuse barge. If the operator determines that the dredge material includes recoverable material, the rakes will be operated in a second direction so the recoverable material is slid from the grizzly and into a crusher or other appropriate processing apparatus.
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patent: 5259130 (1993-11-01), Rohr
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patent: 5427251 (1995-06-01), Landmann et al.
patent: 5449072 (1995-09-01), Braun et al.
Nguyen Tuan
Terrell William E.
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