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    • 53. 发明公开
    • A sewing thread and method for manufacturing the same
    • Nähgarnund Verfahren zur Herstellung desselben。
    • EP0108169A1
    • 1984-05-16
    • EP82305349.1
    • 1982-10-07
    • TORAY INDUSTRIES, INC.
    • Negishi, TakaoKojima, Teiryo
    • D02G1/20D02G3/46
    • D02G3/46D02G1/0286D02G1/20
    • A method for manufacturing a sewing thread comprising the following steps:

      drawing an undrawn polyester multifilament yarn;
      preflminarily heat treating the drawn yarn at an effective heat treating temperature before false twisting;
      then, false twisting the heat treated synthetic multifilament yarn at a temperature of at least 150°C;
      subjecting the false twisted yarn to a fluid jet treatment under the slackened condition so as to intermittently interlace in a lengthwise direction constituent filaments of the yarn and so as to form protruded portions from protruding from the surface of the yarn; and
      post-heat treating the interlaced yarn at an effective heat treating temperature being higher than the heat treating temperature of the false twisting.

      By this method, a thread suitable for sewing can be obtained. The produced sewing thread comprises at least one polyester multifilament yarn, in which thread constituent filaments of the multifilament yarn are intermittently interlaced along the lengthwise direction thereof, and a part of the constituent filaments of the multifilament yam is protruded from the surface of the multifilament yarn; and the torque of the sewing thread is very small in spite of the fact that substantially all filaments constituting the sewing thread have been subjected to the same false twisting.
    • 一种缝纫线的制造方法,包括以下步骤:拉伸未拉伸的聚酯复丝纱线; 在假捻前以有效的热处理温度预先对拉伸丝进行热处理; 然后将热处理的合成复丝纱在至少150℃的温度下假捻; 在松弛状态下使假捻纱线进行流体喷射处理,以使纱线的长度方向间隔地交织,从而形成从纱线表面突出的突出部; 并且在有效的热处理温度高于假捻的热处理温度的情况下对交织纱进行后热处理。 通过这种方法,可以获得适于缝制的线。 所生产的缝纫线包括至少一根聚酯复丝纱线,其中复丝纱线的丝线长丝沿着其长度方向间歇地交错,并且复丝纱线的构成长丝的一部分从复丝纱线的表面突出 ; 并且缝纫线的扭矩非常小,尽管构成缝纫线的基本上所有细丝都经受相同的假捻。
    • 55. 发明公开
    • A sewing thread and method for manufacturing the same
    • Nähfadenund Verfahren zu seiner Herstellung。
    • EP0072881A1
    • 1983-03-02
    • EP81303745.4
    • 1981-08-18
    • TORAY INDUSTRIES, INC.
    • Negishi, TakaoKojima, Teiryo
    • D02G1/20D02G3/46
    • D02G3/46D02G1/0286D02G1/168D02G1/20
    • A method for manufacturing a sewing thread comprising the following steps:

      drawing an undrawn polyester multifilament yarn;
      preliminarily heat treating the drawn yarn at an effective heat treating temperature before false twisting;
      then, false twisting the heat treated synthetic multifilament yarn at a temperature of at least 150°C;
      subjecting the false twisted yarn to a fluid jet treatment under the slackened condition so as to intermittently interlace in a lengthwise direction constituent filaments of the yarn and so as to form protruded portions protruding from the surface of the yarn; and
      post-heat treating the interlaced yarn at an effective heat treating temperature being higher than the heat treating temperature of the false twisting.

      Thus, a thread suitable for sewing can be obtained. The produced sewing thread comprises at least one synthetic multifilament yarn, in which thread constituent filaments of the multifilament yarn are intermittently interlaced along the lengthwise direction thereof, and a part of the constituent filaments of the multifilament yarn is protruded from the surface of the multifilament yarn; and the torque of the sewing thread is very small in spite of the fact that substantially all filaments constituting the sewing thread have been subjected to the same false twisting.
    • 一种缝制线的制造方法,其特征在于,包括以下步骤:拉伸未拉伸聚酯多丝纱线; 在假捻之前的有效热处理温度下对拉伸丝进行预热处理; 然后将热处理的合成复丝纱线在至少150℃的温度下进行假捻:将假捻纱线在松弛状态下进行流体喷射处理,以便在纱线的长度方向构成长丝方向间歇地交织 形成从纱线表面突出的突出部; 并且在有效的热处理温度高于假捻的热处理温度的情况下对交织纱进行后热处理。 因此,可以获得适于缝制的线。 所生产的缝纫线包括至少一根合成复丝纱线,其中复丝纱线的丝线长丝沿着其长度方向间歇地交错,并且复丝纱线的构成长丝的一部分从复丝纱线的表面突出 ; 并且缝纫线的扭矩非常小,尽管构成缝纫线的基本上所有细丝都经受相同的假捻。