| 摘要 |
PURPOSE: To obtain a powdered material storage device which can smoothly drop a powdered material to a kneader, even if the inclined angle of a conical body is made larger than the angle of repose of the powdered material in order to increase the capacity. CONSTITUTION: A powdered material storage device 1A is constituted of an upper cylindrical body 2 and a conical body 3 formed continuously to the cylindrical body 2 to have a constricted shape as it goes down at the lower part thereof. The inclined angleθa of the conical body 3 is made larger than the angle of repose of the powdered material and a plurality of knockers 10A, 10B are attached to the outside inclined face of the conical body 3.
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