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Separation Of Solids By Using Liquids Or Pneumatic Power
(AREA)
Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement
(AREA)
Abstract
A shutter device for the passage of aggregates, characterized in that it has a control gate for the passage of the driven aggregate according to a first total opening time, following this a second control time during which the passage of the aggregate is reduced to a small flow rate. Refining, prior to the third time of total closure of the opening, eliminating the impact effect. (Machine-translation by Google Translate, not legally binding)