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    Method and apparatus for making alternate twist plied yarn and product
    7.
    发明授权
    Method and apparatus for making alternate twist plied yarn and product 失效
    制造交替捻合纱和产品的方法和装置

    公开(公告)号：US5557915A

    公开(公告)日：1996-09-24

    申请号：US339103

    申请日：1994-11-14

    申请人： Warren F. Knoff ,  Robert W. McAllister ,  Peter Popper ,  Steven K. Shibata ,  Robert E. Taylor ,  Paul W. Yngve

    发明人： Warren F. Knoff ,  Robert W. McAllister ,  Peter Popper ,  Steven K. Shibata ,  Robert E. Taylor ,  Paul W. Yngve

    IPC分类号： D02G3/28 ,  D01H3/26 ,  D02G3/02

    CPC分类号： D02G3/286

    摘要： An alternate twist plied yarn formed from a plurality of strands of singles yarn twisted in alternating directions in lengthwise intervals of first half-cycles of twist at a predetermined twist level followed by second half-cycles of twist at the same twist level with reversal nodes therebetween, the singles twisted yarns being ply-twisted together in alternating directions in lengthwise intervals of first half-cycles of ply-twist followed by second half-cycles of ply-twist, there being a bond formed adjacent each node wherein the first half-cycle of ply-twist is located within the bond and the second half-cycle of ply-twist originates at one end of the bond, the twist level in the singles twisted yarn is between 25% in the same direction and 60% in the opposite direction of the twist applied to the singles yarns before plying. The process for making an alternate twist plied yarn formed from a plurality of singles strands wherein the plied yarn has low residual singles twist is disclosed as well as an apparatus for forming bonded alternate twist plied yarn from a plurality of strands having a distance between twist reversal nodes defining sections of alternate twist in the yarn and having bonds in the plied yarn adjacent the reversals.

    摘要翻译： 由多股单股纱线形成的交替捻合纱线，其以交替方向捻合，以预定扭转水平的第一半周期扭曲的纵向间隔，随后在相同扭转水平处的扭转的第二半周期，其间具有反向节点 ，单纱加捻纱线在交替方向上沿着交替方向在捻合的前半个周期的纵向间隔中叠加在一起，随后是层间扭转的第二个半周期，在每个节点附近形成一个键，其中第一个半周期 的双绞线位于接合处，并且捻合的第二半周期起始于接合的一端，单纱加捻纱中的捻度在相同方向上在25％之间，在相反方向上为60％ 的扭曲应用于单打纱线前。 公开了一种由多根单股线形成的交替捻合纱线的方法，其中合股纱线具有低残留单纱捻度，以及用于从多根股线形成粘合的交替捻合纱线的装置，该捻合纱线具有扭转反转之间的距离 节点限定纱线中交替捻度的部分，并且在合股纱线中具有与反转相邻的连接。