| 摘要 |
<p>The invention concerns a circular loom for needling an annular preform comprising a vertically mobile needling table serving as horizontal support to said annular preform, and a needling head including a specific number of barbed needles, arranged in line with the needling table in a needling zone, and driven in a vertical reciprocating movement, wherein the annular preform is set on the needling table itself and is driven in rotation on the needling table by driving means, the needling table remaining stationary during said rotation. Said driving means comprise an assembly of conical friction rollers maintained in continuous contact with the annular preform.</p> |
