| 摘要 |
In a device for decorrugating the end regions of helically or annularly corrugated metal tubes, a bush (4) connected via a screw thread to a piece of tube (6, 13) is seated on the end of the tube. Arranged with the ability for free rotation in the piece of tube (13) is an eccentric rotary sleeve (8) or tubular grip (15), arranged at one end of which is a freely rotatable rolling ring which rolls on the inner surface of the tube. <IMAGE>
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