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    • 1. 发明授权
    • Optical fiber characteristic measuring method and apparatus
    • 光纤特性测量方法及装置
    • US4676635A
    • 1987-06-30
    • US705837
    • 1985-02-26
    • Katsuji SakamotoAkio OhtaYuichi TodaShuzo SuzukiTakashi Ide
    • Katsuji SakamotoAkio OhtaYuichi TodaShuzo SuzukiTakashi Ide
    • G01M11/00G01M11/02G02B6/00G01N21/84G01N21/88
    • G01M11/33G01M11/31
    • An optical fiber characteristic measuring method and apparatus are disclosed whereby measurements of a plurality of different parameters of an optical fiber can be carried out automatically and successively with a minimum of operator time required. A stage is provided which is movable along a straight line, and a setting station is arranged in the direction of movement of the stage. A plurality of measurement stations are provided having first holders for holding fibers provided on the side of the measuring devices and arranged along a straight line extending parallel to the direction of movement of the stage with a predetermined distance therebetween. The stage is provided with a plurality of second holders for holding the optical fibers to be measured, with the second holders being arranged along a straight line extending parallel to the direction of arrangement of the first holders with the same distance as the predetermined distance therebetween.
    • 公开了一种光纤特性测量方法和装置,其中可以以最少的操作者时间自动且连续地执行光纤的多个不同参数的测量。 提供能够沿着直线移动的台架,并且设置台沿台架的移动方向布置。 多个测量站具有第一保持器,用于保持设置在测量装置一侧的纤维,并沿平行于平台的移动方向延伸的直线布置,其间具有预定距离。 该台设置有多个用于保持被测量的光纤的第二保持器,其中第二保持器沿与第一保持器的布置方向平行延伸的直线以与它们之间的预定距离相同的距离布置。
    • 10. 发明申请
    • Process for Producing Nonwoven Fabric and Nonwoven Fabric
    • 生产无纺布和无纺布的方法
    • US20080045109A1
    • 2008-02-21
    • US10599400
    • 2005-03-29
    • Toshiyuki OgataShin KasaiHirofumi YashiroAkio Ohta
    • Toshiyuki OgataShin KasaiHirofumi YashiroAkio Ohta
    • D04H3/04D01F8/00D04H3/14D02G3/36
    • D04H3/14D01F8/00D04H3/04Y10T442/637Y10T442/641
    • The nonwoven fabric production process of the invention comprises a laminating step in which composite yarn, obtained by bundling a plurality of resin single filaments each having a core-sheath structure with a filamentous core resin surrounded by a sheath resin with a melting point of at least 20° C. lower than the core resin and fusing the sheath resin together, is laminated in at least the three directions of warp direction, slant direction and reverse slant direction, and a bonding step of heating the laminated filament bundles at a temperature lower than the melting point of the core resin and higher than the melting point of the sheath resin for bonding. According to the invention, it is possible to provide a nonwoven fabric production process and nonwoven fabrics with excellent plasticity and shape following property, as well as adjustable strength for adaptation to different purposes and required properties.
    • 本发明的非织造布生产方法包括层压步骤,其中复合纱线通过将具有芯鞘结构的多根树脂单丝与由护套树脂包围的丝状核心树脂以至少熔点 至少在经纱方向,倾斜方向和反向倾斜方向的三个方向上层压在芯树脂20℃以下并将鞘树脂熔合在一起的粘合工序,以及在低于 芯树脂的熔点高于用于粘合的护套树脂的熔点。 根据本发明,可以提供具有优异的可塑性和形状的无纺布生产方法和非织造织物,并且具有可调节的强度以适应不同的目的和所需的性能。