Measuring apparatus and measuring method for concrete-forming materials
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United States of America Patent
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Aug 25, 2009
Grant Date -
Aug 16, 2007
app pub date -
Feb 26, 2007
filing date -
Jan 31, 2001
priority date (Note) -
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Abstract
A measuring apparatus of submergence aggregate according to the present invention comprising a stock bin for storing fine aggregate, a fine aggregate feed hopper placed under the stock bin, a vibrating feeder placed under a discharge opening of the fine aggregate feed hopper, a screen device placed in the vicinity of an exit of the vibrating feeder, a measurement tank placed under the screen device, an electrode-type displacement sensor as means for measuring a water level placed above the measurement tank, and load cells as mass measuring means for measuring a mass of the measurement tank.
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