| 摘要 |
<p>A device for smoothing out irregularities of internal walls of pipes by applying a paste adhering to a said wall at a location of a said irregularity comprises at least one blade-like member (3) configured to be introduced into a said pipe. The device also comprises means configured to rotate said member about an axis substantially in parallel with a centre axis of a said pipe for distributing paste discharged at said location to form a layer on a said internal wall.</p> |
