| 摘要 |
<p>The machine for the coupling,by means of air jet,of yarns according to this invention comprises a feed unit for one or more rigid threads, of texturized continuous synthetic fibre and/or of discontinuous natural or synthetic fibre, connected to a coupling unit, comprising means for supporting, rotating and drawing a spool of elastic thread of elastomeric material, a recovery unit for coupled thread onto a reel, an air jet coupling element, and a pre-arrangement unit for the rigid thread, adapted for arranging it in the optimum conditions for coupling to the elastic thread, comprising means for varying the tension in the rigid thread and means for humidifying the thread itself, disposed upstream of the air jet coupling element.</p> |
