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    • 4. 发明授权
    • Method for joining two yarn pieces, and the device for carrying out the
method
    • 用于连接两根纱线的方法,以及用于实施该方法的装置
    • US4356688A
    • 1982-11-02
    • US199832
    • 1980-10-23
    • Edwin ZurcherGuy Negaty-HindiCarlos Pujol
    • Edwin ZurcherGuy Negaty-HindiCarlos Pujol
    • B65H67/08B65H51/01B65H69/04B65H69/06B65H69/08D01H15/00
    • B65H51/01B65H69/061B65H69/08B65H2555/41B65H2701/31
    • The yarn pieces to be joined are stretched between the two pairs of suction tubes (28, 29; 30, 31) and untwisted by being wound about spindles (20, 21). Hot compressed air fed along the surface of two blocks (32, 33) adjacent to the untwisted yarn portions remove free fibers and distribute the fiber tufts in the base of a channel formed in said blocks (32, 33). Said tufts are retained in the base of the channel by an electrostatic field formed with the aid of conductors (46) and the generator (GE). The blocks are then rotated about the rotation shafts (4, 5) until the channel edges are in contact with each other. Air is fed perpendicularly to the plane containing the fiber tufts in proximity to their respective ends in order to cause the fibers of the two tufts to interpenetrate, the spindles (20, 21) then being driven in the reverse direction in order to twist the fiber tufts and to disengage the yarn.
    • 待连接的纱线片在两对抽吸管(28,29; 30,31)之间拉伸,并通过缠绕在心轴(20,21)上而卷曲。 沿着与未绞合的纱线部分相邻的两个块(32,33)的表面供给的热压缩空气去除了自由纤维并将纤维束分布在形成在所述块(32,33)中的通道的基部中。 所述簇通过借助于导体(46)和发电机(GE)形成的静电场而保持在通道的基底中。 然后,这些块绕着旋转轴(4,5)旋转,直到通道边缘彼此接触。 空气垂直于包含纤维簇的平面靠近它们各自的端部,以便使两个簇的纤维互穿,然后主轴(20,21)沿相反的方向被驱动以扭曲纤维 毛束,并使纱线脱离。