Measuring apparatus and measuring method for concrete-forming materials
AssigneeObayashi Corporation
InventorsShigeyuki Sogo, Ryuichi Chikamatsu, Koji Watanabe, Hisayoshi Kikkawa
Life of this patent
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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.
Claims7
1-68. (canceled)
A discharge mechanism of a measurement container, having a constitution in which aggregate is contained with water as submergence aggregate in the measurement container when the bottom lid is closed for measuring the submergence aggregate and the submergence aggregate is discharged downward by opening the bottom lid after the measurement is finished, wherein a gas spraying mechanism is provided in the vicinity of said bottom lid and the top face of the bottom lid is sprayed with a gas flow by means of the gas spraying mechanism when the bottom lid is opened.
A discharge mechanism of a measurement container, having a constitution in which aggregate is contained with water as submergence aggregate in the measurement container when the bottom lid is closed for measuring the submergence aggregate and the submergence aggregate is discharged downward by opening the bottom lid after the measurement is finished, wherein said bottom lid is opened or closed by moving it in a translation direction or rotating it within a level surface and wherein a gas spraying mechanism is provided in the vicinity of said bottom lid and the top face of the bottom lid is sprayed with a gas flow by means of the gas spraying mechanism when the bottom lid is opened.
A discharge mechanism of a measurement container, having a constitution in which aggregate is contained with water as submergence aggregate in the measurement container when the bottom lid is closed for measuring the submergence aggregate and the submergence aggregate is discharged downward by opening the bottom lid after the measurement is finished, wherein said bottom lid is opened or closed by moving it in a translation direction or rotating it within a level surface.
73-76. (canceled)
Dependencies are inferred from the claim text.