Weft storing and delivering device with pneumatic threader
    1.
    发明授权
    Weft storing and delivering device with pneumatic threader 失效
    WEFT存储和传送装置与气动螺纹

    公开(公告)号:US5094275A

    公开(公告)日:1992-03-10

    申请号:US466448

    申请日:1990-05-18

    摘要: A yarn storing and delivering device for a weaving machine includes a stationary base body and a hollow shaft which is rotatably mounted in the base body and which carries a laterally projecting yarn feeder element. Yarn is guided into the hollow shaft and wound by the yarn feeder element onto a storing surface of a storing drum which is maintained stationary relative to the base body. The yarn is axially withdrawn from the storing drum over a free edge of the storing surface and through a substantially central guide opening. A threading device equipped with air jet nozzles is provided for automatically threading the yarn up to a location within the guide opening. The threading device includes a compressed air conveying system disposed between the guide opening and a location adjacent the outlet of the yarn feeder element. The compressed air conveying system includes a plurality of stationary directional jet nozzles which, when activated, provide an air flow which delivers the yarn to the guide opening.

    摘要翻译: 一种用于织机的纱线存储和传送装置包括固定基体和可旋转地安装在基体中并具有横向突出的喂纱器元件的中空轴。 纱线被引导到空心轴中并被喂纱器元件卷绕到相对于基体保持静止的储存鼓的存放表面上。 纱线在储存滚筒的轴向上从储存表面的自由边缘上退出并穿过基本上中心的导向开口。 设有配有空气喷嘴的穿线装置用于将纱线自动穿线到导向开口内的一个位置。 穿线装置包括设置在引导开口和邻近给纱器元件的出口的位置之间的压缩空气输送系统。 压缩空气输送系统包括多个静止的定向喷嘴,当被启动时,其提供将纱线输送到导向开口的空气流。

    Method for threading a pick insertion device on weaving machines, and a
device which uses this method
    3.
    发明授权
    Method for threading a pick insertion device on weaving machines, and a device which uses this method 失效
    用于在编织机上穿线拣选插入装置的方法,以及使用该方法的装置

    公开(公告)号:US4903739A

    公开(公告)日:1990-02-27

    申请号:US185047

    申请日:1988-04-22

    申请人: Jo Tacq

    发明人: Jo Tacq

    IPC分类号: D03D47/30 D03D47/34

    摘要: Method for threading a weft insertion device on weaving machines, in particular for threading a weft insertion device of the type which consists of at least one first nozzle (3, 4) mounted beside the sley (7) and at least one second nozzle (5, 6) which moves with the sley (7), where the first nozzle (3, 4) makes an angle with the second nozzle (5, 6) and during normal operation of the weaving machine lies at a distance from it, with the characteristic that the method consists essentially of presenting to one another the thread exit opening (17) and thread induction opening (15) of the first and second nozzles respectively (3, 4; 5, 6), and then leading a weft thread (19, 20) through both nozzles (3, 5; 4, 6); the invention also concerns a device which uses this method.

    Defective weft yarn insertion prevention
    4.
    发明授权
    Defective weft yarn insertion prevention 失效
    防止纬纱插入不良

    公开(公告)号:US5544679A

    公开(公告)日:1996-08-13

    申请号:US348868

    申请日:1994-11-29

    申请人: Jo Tacq

    发明人: Jo Tacq

    摘要: A feed mechanism for several weft yarns, each with its own feed device capable of selecting the weft yarn to be inserted, includes sensors for monitoring the weft yarns for quality defects and for, upon detection a defect in a weft yarn, precluding the weft yarn from being selected for insertion until the portion of the weft yarn with the defect has been shunted into a region from where it can no longer be woven into the fabric.

    摘要翻译: 用于多个纬纱的进给机构,每个纬纱具有能够选择要插入的纬纱的自身进给装置,包括用于监测纬纱的质量缺陷的传感器,并且在检测到纬纱上的缺陷时,排除纬纱 被选择用于插入,直到具有缺陷的纬纱的部分已经被分流到从其不能再被织入织物的区域中。