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    • 2. 发明授权
    • Method and an apparatus for the continuous crimping of thermoplastic
threads
    • 用于连续卷曲热塑性线的方法和设备
    • US5351374A
    • 1994-10-04
    • US13716
    • 1993-02-04
    • Werner NabulonJorg MaierPeter GrossenbacherFelix GrafArmin Wirz
    • Werner NabulonJorg MaierPeter GrossenbacherFelix GrafArmin Wirz
    • D02G1/12G01N33/36
    • D02G1/122D02G1/125D02G1/161D02G1/167G01N33/365
    • Threads made from thermoplastic materials are textured, in that they are heated by a delivery medium in a delivery channel and conveyed through an orifice into a stuffer box where they are stuffed to form a plug. In order to maintain plug formation constant, the orifice area is monitored in a sensory manner and the measured signals are used for monitoring purposes as a measured quantity in a control loop, in which the supply of damming back medium, the conveying away speed of the plug, the position of the stuffer box walls, or the supply of delivery medium are used as manipulated variables. The measuring signals produced by monitoring can be compared with thresholds to produce control signals corresponding to the comparison result for activating alarm, warning or stopping elements. Sensory monitoring is carried out by measuring the dynamic pressure prevailing in the delivery channel close to the orifice, by measuring the dynamic pressure in a fluidic nozzle issuing into the stuffer box, or by monitoring with an optical sensor the interior of the stuffer box.
    • 由热塑性材料制成的螺纹是纹理的,因为它们通过输送介质在输送通道中加热并通过孔输送到填塞箱中,在该填塞箱中填充它们以形成塞子。 为了保持塞子形成恒定,以感官方式监测孔面积,并且将测量的信号用作监控目的,作为控制回路中的测量量,其中阻隔回路介质的输送速度为 塞子,填塞箱壁的位置或输送介质的供给被用作操纵变量。 通过监视产生的测量信号可以与阈值进行比较,以产生对应于用于激活报警,警告或停止元件的比较结果的控制信号。 通过测量靠近孔口的输送通道中的动态压力,通过测量发射到填塞箱的流体喷嘴中的动态压力,或者通过用光学传感器监测填塞箱的内部来进行感觉监测。