| 摘要 |
PROBLEM TO BE SOLVED: To perform uniform powdering even in the case of a relatively large bag, relatively shorten a time for powdering work and improve safety in powdering work. SOLUTION: Each of a pair of pushing member 2, 2 for pushing a bag A storing power material therebetween has a plurality of rotors 21..., an endless band 22 for rotating the individual rotators 21... and a holder 25 for holding the individual rotors 21.... The holders 25 can be oscillated to the direction of approaching and separating each other. The rotors 21 of the pushing members 2, 2 push the bag A at both sides, rotate the bag A while changing their pushing positions and deform the bag A throughout its whole periphery to give uniform powdering.
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