| 摘要 |
A combination measuring apparatus including a plurality of heads provided on a machine frame. The discharge plates of the pool hoppers provided in these heads are opened and closed to throw a predetermined material to be measured into the measuring hoppers provided on the lower side of the pool hoppers. The weight of the material in each measuring hopper is measured with a weight-measuring device, such as a load cell. A combination of measuring hoppers, the weight of the material in which is the closest to a target weight set by the combination computation of the detected weights in all of the heads, are determined. The discharge plates of the selected measuring hoppers are opened to discharge the material therefrom, and supply the material to a subsequent stage, for example, a stage provided with a packaging machine. The discharge plates of the pool hoppers and measuring hoppers are opened and closed in accordance with the vertical movement, which is effected by the power from a driving unit, of a discharge plate opening and closing unit provided on the central portion of the machine frame.
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