| 摘要 |
PROBLEM TO BE SOLVED: To provide a continuous coin washing device capable of washing even the coins of different sizes as they are in simple and compact constitution. SOLUTION: The coins 1 fed from a hopper 2 are supplied into a rotary drum 3 turned to a horizontal direction where a polishing brush 17 is stuck to an inner peripheral surface, the coins 1 immersed in a washing tank 4 at the lower part of the rotary drum 3 are washed with the polishing brush while being fed to a discharge end by a helical guide blade 16 and the washed coins 1 are continuously scooped by a cage wheel 5, carried by a first conveyor 6, fed between squeeze rolls 7 and dehydrated. Thus, in the simple and compact constitution, even the coins 1 of the different sizes are efficiently washed.
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