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    • 4. 发明申请
    • NONWOVEN PROCESS AND APPARATUS
    • 非金属工艺和设备
    • WO1998029583A1
    • 1998-07-09
    • PCT/US1997023808
    • 1997-12-19
    • KIMBERLY-CLARK WORLDWIDE, INC.
    • KIMBERLY-CLARK WORLDWIDE, INC.HAYNES, Bryan, DavidKASTNER, Kevin, JamesLAU, Jark, ChongMARMON, Samuel, EdwardMORELL, Charles, JohnPRIMM, Stephen, HardingTRIEBES, Thomas, Gregory
    • D01D05/088
    • D01D5/098D01D5/088D04H3/03
    • Improved equipment and method for spinning filaments for nonwovens using an integral spinbank including one or more spinplates producing filament bundles separated by one or more central conduits for quench air. Embodiments include high velocity quench air driven into the central conduit or quench air blown or drawn in from outside the filaments into the central conduit. Means may also be provided for removal of undesired waxes and/or other condensates through a central exhaust removal using the central conduit. As quench air velocity is increased through the central conduit, the streams tend to improve total quench flow by deflecting opposing flows into a uniform stream. Other variations include division of quench air into flow zones that may be independently controlled and varying the angle of quench air flow and/or the spinplates to maintain separation distance between quench air and filament bundles.
    • 改进的用于纺丝无纺布长丝的设备和方法,其使用包括一个或多个生产由一个或多个中心导管用于骤冷空气的中心导管分离的丝束的整体纺丝组。 实施例包括驱动到中心导管中的高速骤冷空气或将从细丝外部吹出或从外部引入的空气骤冷到中心导管中。 还可以提供用于通过使用中心导管的中央排气去除来除去不想要的蜡和/或其它冷凝物的装置。 当淬火空气速度通过中心管道增加时,流倾向于通过将相对的流转向均匀的流而改善总的骤冷流量。 其他变化包括将骤冷空气分成流动区,其可独立控制并改变骤冷空气流的角度和/或旋转叶片以维持骤冷空气和细丝束之间的间隔距离。