| 摘要 |
<P>PROBLEM TO BE SOLVED: To achieve space saving of an instrument for measuring and subdividing powder and to improve cutout precision while keeping discharging rate of the powder. <P>SOLUTION: The instrument for measuring and subdividing powder includes: an agitating part 3 for agitating the powder; a large screw feeder 41 arranged horizontally so as to communicate with the agitating part 3; a large discharge port 415 communicating with the large screw feeder 41; a shutter 416 which is an opening/closing valve for freely opening/closing the large discharge port 415; a small screw feeder 42 arranged under the large screw feeder 41 so as to communicate through a bypass 43; and a small discharge port 425 communicating with the small screw feeder 42, and operates the large screw feeder 41 to discharge the powder by the large amount, closes the shutter 416 when the amount is near a constant value, and operates the small screw feeder 42 in order to discharge the powder by the small amount. <P>COPYRIGHT: (C)2012,JPO&INPIT |
