A Gravel
Screen
This patent of practical new type provides a
kind of sieving equipment for placer gold mining;
it is especially adaptable for treating those
alluvial deposits with many big gravels. It is
mainly composed of hydraulic station, frame assembly,
hydraulic cylinder, pushing frame, roller, and
pushing teeth; jet pipe, clampping plate, pinch
roller, grizzly and reversing mechanism. This
patent of practical new type is not only a new
member of the equipment for gravel handing in
alluvial gold mining, but also reasonable in structure
design, stable in operation, reliable in operation
and less in maintenance.
Patent number：90208766.5
|
