| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem that when a tabletting machine is operated in a long time, fine powder for a tabletting granule forms a sticking layer in the clearance between a lower pestle side face and a mortar inner wall, as a result, degassing in a compression process is disturbed, further, the friction force received by a formed tablet is increased in the case of pushing up/ discharging. as a result, the formed tablet is likely broken in the case of pushing up/discharging or in transporting. SOLUTION: In a compression/forming process, a mechanism, by which a lower pestle is once pulled out from a mortar to be exposed and then the fine powder stuck to the lower pestle side face or a mortar inner face is removed is provided in a tabletting machine.
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