| 摘要 |
PROBLEM TO BE SOLVED: To provide a trommel bucket for continuing selection treatment of a matter to be treated in a high performance state and maintaining an environment during selection treatment of the matter to be treated in a good state. SOLUTION: The trommel bucket is provided with a pressuring and jetting means 20 mounted on a working truck, pressuring and jetting fluid to the matter to be treated adhered to a screen 11 of a trommel 10 to a bucket 1 arranging the trommel 10 selecting the scooped matter to be treated. Thereby even when the selection treatment of the matter to be treated containing mud, clay and the like is continued, selection treatment capability of the trommel can be maintained in a high state. COPYRIGHT: (C)2004,JPO
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