CIRCULAR NEEDLING LOOM WITH SMOOTH TABLE

摘要

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 needlin g table by driving means, the needling table remaining stationary during said rotation. Said driving means comprise an assembly of conical friction roller s maintained in continuous contact with the annular preform.