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1. 发明授权

US4418729A Shuttleless loom weft detaining device 失效
标题翻译：无梭织机纬纱扣留装置
公开(公告)号：US4418729A
公开(公告)日：1983-12-06
申请号：US326568
申请日：1981-12-02
申请人： Yoshiharu Chiba , Hidetsugu Umezawa , Takao Sakabe , Ryuji Arai
发明人： Yoshiharu Chiba , Hidetsugu Umezawa , Takao Sakabe , Ryuji Arai
IPC分类号： D03D47/36
CPC分类号： D03D47/362 , D03D47/363
摘要： A shuttleless loom weft detaining device comprises a drum around which a weft yarn is wound prior to its introduction to a weft inserting nozzle, the drum including a frustoconical section, a cylindrical section integral with the frustoconical section, a projecting section radially and outwardly projecting over the radial level of the cylindrical section, and a connecting section integral with the projecting section to connect the radial top level of the projecting section with the radial level of the cylindrical section and located to leave the cylindrical section between it and the frustoconical section, and apparatus for catching the weft yarn in association with the drum peripheral surface to detain a predetermined length of the weft yarn prior to a weft picking through the weft inserting nozzle, thereby maintaining generally constant the drawing-off resistance of the weft yarn from the drum every weft picking.
摘要翻译：一种无梭织机纬纱扣留装置包括滚筒，纬纱在引入纬纱插入喷嘴之前围绕该卷筒缠绕，滚筒包括截头圆锥形部分，与截头圆锥形部分成一体的圆柱形部分，径向和向外突出的突出部分圆柱形部分的径向水平面和与突出部分成一体的连接部分，以将突出部分的径向顶部水平与圆柱形部分的径向水平面相连并且定位成使其与截头圆锥形部分之间留下圆柱形部分，以及用于捕捉纬纱与鼓外周表面相关联的装置，以在通过纬纱插入喷嘴进行纬纱采集之前扣留预定长度的纬纱，从而保持纬纱几乎不受滚筒的拉拔阻力的影响纬纱采摘

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