Measuring and testing – Moisture content or absorption characteristic of material – By residual capacity measurement
Reexamination Certificate
2007-04-24
2007-04-24
Raevis, Robert (Department: 2856)
Measuring and testing
Moisture content or absorption characteristic of material
By residual capacity measurement
Reexamination Certificate
active
10470044
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.
REFERENCES:
patent: 1733410 (1929-10-01), Johnson
patent: 4176965 (1979-12-01), Ito et al.
patent: 4895450 (1990-01-01), Holik
patent: 5969243 (1999-10-01), Frey et al.
patent: 6658921 (2003-12-01), Lavallee et al.
patent: 11-6828 (1999-01-01), None
patent: 2000-61926 (2000-02-01), None
patent: 2000-84921 (2000-03-01), None
patent: 2000-84922 (2000-03-01), None
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 Accruate Measurement—pp. 57-64.
Chikamatsu Ryuichi
Kikkawa Hisayoshi
Sogo Shigeyuki
Watanabe Koji
Obayashi Corporation
Raevis Robert
Wenderoth , Lind & Ponack, L.L.P.
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