Process and apparatus for making multi-layered, multi-component filaments
    84.
    发明授权
    Process and apparatus for making multi-layered, multi-component filaments 有权
    制造多层多组分长丝的方法和设备

    公开(公告)号:US06773531B2

    公开(公告)日:2004-08-10

    申请号:US09681682

    申请日:2001-05-21

    IPC分类号: D04H316

    摘要: The present invention is directed to a process for forming a plurality of multi-layered filaments from multiple thermoplastic synthetic polymers and an apparatus containing a melt spinning beam comprising an orthogonal beam having disposed within said beam multiple polymer inlet passages each communicating with separate multiple coat hanger distribution manifolds, separate filters connected downstream of each coat hanger distribution manifold, a spinneret connected downstream of said filters with separate polymer flow passages communicating with separate exit orifices for spinning of said multi-layered filaments.

    摘要翻译: 本发明涉及一种用于从多种热塑性合成聚合物形成多根多层细丝的方法,以及一种包含熔融纺丝束的装置,该熔融纺丝束包括设置在所述束多个聚合物入口通道内的正交梁,每个通道与单独的多层衣架连通 分配歧管,连接在每个衣架分配歧管下游的分离的过滤器,连接在所述过滤器下游的喷丝头,其中分离的聚合物流动通道与用于纺丝所述多层细丝的单独的出口相连通。