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    • 6. 发明申请
    • Method and device for the production of a covered elastic yarn and for automatic replacement of feeds spools
    • 用于生产覆盖弹性纱线和用于自动更换饲料卷轴的方法和装置
    • US20060277890A1
    • 2006-12-14
    • US10553063
    • 2004-11-25
    • Nerino GrassiSamuele Gorgaini
    • Nerino GrassiSamuele Gorgaini
    • D01H1/16
    • D02G1/0266B65H49/20B65H65/00B65H65/005B65H67/02B65H69/061B65H2701/319D02G3/32
    • The device comprises in combination: a first interlacing jet (19); a feed path of the covering yarn (FT) and a feed path of the elastic: yarn (F1; F2) towards the first interlacing jet; supporting means (37A, 37B) for spools of elastic yarn (R1, R2); winding members (54) to wind the composite yarn (FC) on the cop being formed (BC); an interruption device to interrupt feed of composite yarn to said cop being formed and start winding the composite yarn on a new winding tube. The supporting means for the spools of elastic yarn are suitable to support at least a first spool of elastic yarn and at least a second spool of elastic yarn; associated with said first interlacing jet are a retaining member (20) to withhold an initial free end of the elastic yarn of said second spool and a deflecting element to withhold an initial portion of the second elastic yarn during delivery of the first elastic yarn to the interlacing jet; a sensor to detect interruption of feed of said first elastic yarn to said first interlacing jet; a control to control release of the initial portion after interruption of feed of the first elastic yarn has been detected.
    • 该装置组合包括:第一交缠射流(19); 覆盖纱线(FT)的进给路径和弹性纱线(F 1; F 2)朝向第一交织射流的进给路径; 用于弹性纱线(R 1,R 2)的卷轴的支撑装置(37A,37B); 卷绕构件(54)以将复合纱线(FC)卷绕在正在形成的托架(BC)上; 一种中断装置,用于中断将复合纱线供给到正在形成的所述管坯的进料,并开始将复合纱线卷绕在新的卷绕管上。 用于弹性纱线的卷轴的支撑装置适合于至少支撑弹性纱线的第一卷轴和至少弹性纱线的第二卷轴; 与所述第一交织射流相关联的是一个保持构件(20),用于阻止所述第二卷轴的弹性纱线的初始自由端和偏转元件,以在第一弹性纱线递送到第二弹性纱线期间阻止第二弹性纱线的初始部分 交织射流 传感器,用于检测所述第一弹性纱线对所述第一交错射流的进给的中断; 检测到在第一弹性纱线的进给中断之后控制初始部分的释放的控制。