| 摘要 |
<p>The invention relates to a roller (20, 30) for a roll-over wash unit, formed by elements (100) of different diameters stacked on the shaft (13, 17) thereof, forming rollers having concave surfaces. The stacked elements (100) are made up of layers formed by a longitudinally folded band, the end of which is slit along the edge, and subdivided into layers if necessary.</p> |
