Rotary press for quality surveillance of powdered pressed material
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United States of America Patent
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Oct 29, 2013
Grant Date -
Apr 1, 2010
app pub date -
Sep 24, 2009
filing date -
Sep 25, 2008
priority date (Note) -
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Abstract
A method for quality surveillance of powdered press material for a rotary press, in which the press material is fed from a reservoir via a preferably vertical feed channel to a filling device, which continuously fills dies of a rotor with press material wherein to the feed channel and/or the filling device is assigned a microwave resonator with an analysis unit, which measures the moisture and/or the density and/or the size of the granules of the press material, and at least one press variable of the microwave resonator is used for changing a control variable of the rotary press.
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