| 摘要 |
An apparatus for opening and cleaning fiber material includes consecutively arranged first, second and third clothed rolls each having a clothing thereon. The second clothed roll cooperates with the first clothed roll as a doffer and opening roll and the third clothed roll cooperates with the second clothed roll as a doffer and opening roll. The centrifugal forces generated at peripheries of the clothed rolls increase from roll to roll from the first clothed roll. There is further provided a fiber feeder for advancing the fiber material towards the first clothed roll. Covers closely surround the respective first, second and third clothed rolls which have at least approximately identical diameters. Waste discharge openings are provided in the cover of each clothed roll, and a mote knife bounds each waste discharge opening.
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