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    • 4. 发明授权
    • Method for producing fibers and materials having enhanced characteristics
    • 通过包括扰动步骤的方法生产的纤维和材料
    • US5807795A
    • 1998-09-15
    • US867199
    • 1997-06-02
    • Jark Chong LauBryan David Haynes
    • Jark Chong LauBryan David Haynes
    • D01D4/02D01D5/098D04H1/54D04H1/56D04H3/16D04H11/00D03D3/00
    • D04H3/16D01D4/025D01D5/0985D01D5/23D04H1/56Y10T428/2922Y10T442/608Y10T442/627
    • A method and apparatus for forming artificial fibers and a non-woven web therefrom includes means for generating a substantially continuous fluid stream along a primary axis, at least one extrusion die located adjacent to the continuous fluid stream for extruding a liquified resin into fibers, means for injecting the fibers into the primary fluid stream, and perturbation means for selectively perturbing the flow of fluid in the fluid stream by varying the fluid pressure on either side of the primary axis to produce crimped fibers for forming the non-woven web. The inventive manufacturing method finely tunes non-woven web material characteristics such as tensile strength, porosity, barrier properties, absorbance, and softness by varying the fluid stream perturbation frequency and amplitude. Finally, the inventive method and apparatus may be implemented in combination with melt-blown, spunbond and coform techniques for producing non-woven webs.
    • 用于形成人造纤维和非织造网的方法和装置包括用于沿主轴产生基本上连续的流体流的装置,至少一个邻近连续流体流的挤压模,用于将液化树脂挤出成纤维, 用于将纤维注入主流体流;以及扰动装置,用于通过改变主轴线两侧的流体压力来选择性地扰乱流体流中的流体,以产生用于形成无纺网的卷曲纤维。 本发明的制造方法通过改变流体流扰动频率和幅度来微调非织造纤维网材料特性,例如拉伸强度,孔隙率,阻隔性,吸光度和柔软度。 最后,本发明的方法和设备可以与用于生产无纺网的熔喷,纺粘和共成型技术相结合实施。
    • 7. 发明授权
    • Apparatus for the production of fibers and materials having enhanced
characteristics
    • 用于生产具有增强特性的纤维和材料的装置
    • US5711970A
    • 1998-01-27
    • US510354
    • 1995-08-02
    • Jark Chong LauBryan David Haynes
    • Jark Chong LauBryan David Haynes
    • D01D4/02D01D5/098D04H1/56D04H3/16D04H11/00D01D5/00
    • D04H3/16D01D4/025D01D5/0985D04H1/56
    • An apparatus for forming artificial fibers and a non-woven web therefrom includes a device for generating a substantially continuous fluid stream along a primary axis, at least one extrusion die located adjacent to the continuous fluid stream for extruding a liquefied resin into fibers, a member for entraining the fibers in the primary fluid stream, and a perturbation mechanism for selectively perturbing the flow of fluid in the fluid stream by varying the fluid pressure on either side of the primary axis to produce crimped fibers for forming the non-woven web. The inventive manufacturing method finely tunes non-woven web material characteristics such as tensile strength, porosity, barrier properties, absorbance, and softness by varying the fluid stream perturbation frequency and amplitude. Finally, the inventive apparatus may be implemented in combination with melt-blown, spunbond and coform techniques for producing non-woven webs.
    • 用于形成人造纤维和非织造网的装置包括用于沿主轴产生基本上连续的流体流的装置,与连续流体流相邻的至少一个挤出模具,用于将液化树脂挤出成纤维,构件 用于夹带主流体流中的纤维,以及扰动机构,用于通过改变主轴两侧的流体压力来选择性扰乱流体流中的流体,以产生用于形成无纺网的卷曲纤维。 本发明的制造方法通过改变流体流扰动频率和幅度来微调非织造纤维网材料特性,例如拉伸强度,孔隙率,阻隔性,吸光度和柔软度。 最后,本发明的装置可以与用于生产无纺网的熔喷,纺粘和共成型技术相结合实施。