| 摘要 |
<p>The invention provides improvements in spinning machines producing textile yarns and comprising a suction system for removing dust, fibre web, broken yarn ends and the like, said improvements including a suction system composed of two suction centres (3,6), one at each end of the spinning machine, each suction centre maintaining under vacuum a respective duct (2,4) which extends along the entire spinning face, the manifold duct (2) in the upper position being used to clean the drafting rollers (19), whereas the manifold duct in the lower position is used to clean the spinning rings (9) by means of suction tubes (14,16) which move to follow the reciprocating movement of the ring bench. <IMAGE></p> |
