Measuring and testing – Moisture content or absorption characteristic of material – By residual capacity measurement
Reexamination Certificate
2007-02-26
2010-06-15
Raevis, Robert R (Department: 2856)
Measuring and testing
Moisture content or absorption characteristic of material
By residual capacity measurement
Reexamination Certificate
active
07735356
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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Shigeyuki Sogo et al., entitled “Development of a High Reliability Concrete Production System(Part 1)”, -Proposal for New Batching Method by Immersing Sand in Water to Facilitate Accurate Measurement- pp. 57-64.
Supplementary European Search Report issued Jan. 19, 2007 in the Application No. EP 02 71 0325.
Chikamatsu Ryuichi
Kikkawa Hisayoshi
Sogo Shigeyuki
Watanabe Koji
Obayashi Corporation
Raevis Robert R
Wenderoth , Lind & Ponack, L.L.P.
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