| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic transportation powder supplier capable of enhancing seal performance, eliminating deterioration of accuracy due to a leak of air in a pneumatic transportation pipe, facilitating manufacture, inspection and repair by simplifying a structure, and reducing a cost of manufacture. SOLUTION: A discharge port 1b is provided in two spots of a bottom wall 1a of a hopper 1, an impeller rotor 3a providing a partitioning vane 3b protruded radically is arranged in a lateral direction so as to appear adjacently in each discharge port, a casing 3f journaling this impeller rotor 3a is mounted in a lower surface of the bottom wall 1a of the hopper 1, an air passage port 3h is opened to a side surface of this casing 3f, and an air transportation pipe 31 is connected to this air passage port.
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