| 摘要 |
<p>In an apparatus for needling a fibrous web passing through the apparatus in one direction, which comprises a needle board driven back and forth in a needling direction, and a support opposite the needle board and having a surface facing the needle board, the support surface comprises surface sections inclined in different directions with respect to the needling direction transversely to the one direction and further surface sections following the surface sections in the one direction and inclined in opposite directions.</p> |
