| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a powder feeder capable of preventing powder from easily being bridged, fixed, and so on while improving feeding efficiency. <P>SOLUTION: The powder feeder is provided with a hopper 1 storing the powder, an upper chamber 2 into which the powder in the hopper 1 falls, a lower chamber 3 into which the powder in the upper chamber 2 falls, and an extracting means 4 extracting the powder in the lower chamber 3. The upper chamber 2 which is horizontally long and has a powder discharging port 2B in the longitudinal center includes a powder moving means arranged on each of one side and the other side of the powder discharging port 2B to move the powder in the upper chamber 2 to the powder discharging port 2B. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
