| 摘要 |
A rotatable barrel has end faces, support bars connecting the end faces parallel to a central longitudinal axis, and barrel coat sections in each case provided between two neighboring support bars. The barrel coat sections are provided with openings for the passage of a treatment bath solution for the treatment of a charge of small pieces in the inner room of the barrel. The barrel coat sections are each formed by two partial sections, which are roof-shaped forming a vertex. They enclose a vertex angle of between 90 DEG and 180 DEG , preferably between 110 DEG and 130 DEG , towards the inner room. The support bars may project into the inner room as conveying bars.
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