| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a powder carrying device which prevents stagnation of powder in a hopper to prevent degradation in conveyance efficiency. <P>SOLUTION: The powder carrying device 50 includes: a hopper 1 having an upper end side opening 3 and a lower end side opening 4, and a belt conveyer 6 provided at the lower end side of the hopper 1. Powder supplied from the upper end side opening 3 is dropped from the lower end side opening 4 onto the belt conveyor 6, and is carried thereon. A horizontal direction section area of the hopper 1 is gradually reduced toward the lower end side opening 4 from the upper end side opening 3. A relief 16 for reducing the pressure of the powder is provided at one or both of the two side faces 23, 25 of the hopper provided in the conveyance direction of the belt conveyor 6. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
