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    • 2. 再颁专利
    • Method for screening, separating, and removing fiber bundles, lumps,
knots and foreign matter from aqueous dispersions used in forming
non-woven fabrics by wet-laying
    • 用于通过湿式铺设形成无纺织物的水性分散体筛选,分离和除去纤维束,团块,结和异物的方法
    • USRE32182E
    • 1986-06-17
    • US710596
    • 1985-03-11
    • Michael RingPeter Angelini
    • Michael RingPeter Angelini
    • D21D5/02
    • D21D5/02
    • Apparatus and method for use in making non-woven fabrics by wet-laying an aqueous dispersion. The apparatus and method screens, separates and remover fiber defects and foreign matter above a prescribed size from other dispersion fibers. The apparatus includes a housing having an inlet and several outlets, an accelerator within the housing for creating relative movement between the dispersion fluid and fibers to axially align at least some of the fibers in the direction of dispersion flow to disperse those fibers in the dispersion and a separator within the housing for separating bundles and lumps above a prescribed size from other dispersion fibers. The housing discharges the bundles and lumps above the prescribed size from the process at one outlet, and passes the other dispersion fibers through to another outlet for use in the wet-laying process. The method includes the steps of producing a stream of dispersion, directing the stream over a curvilinear path, creating relative movement between the dispersion fibers and fluid to axially align at least some of the fibers in the direction of dispersion flow, screening fiber bundles and lumps above a prescribed size from other dispersion fibers by intercepting the stream along a curvilinear path at a lateral stream boundary and washing accumulated fiber bundles and lumps above the prescribed size from the screen for discharge from the process and passing the other dispersion fibers for use in the wet-laying process.
    • 7. 发明授权
    • Method for screening, separating, and removing fiber bundles, lumps,
knots and foreign matter from aqueous dispersions used in forming
non-woven fabrics by wet-laying
    • 用于通过湿式铺设形成无纺织物的水性分散体筛选,分离和除去纤维束,团块,结和异物的方法
    • US4466862A
    • 1984-08-21
    • US467333
    • 1983-02-17
    • Michael RingPeter Angelini
    • Michael RingPeter Angelini
    • D21D5/02B03B5/00
    • D21D5/02
    • Apparatus and method for use in making non-woven fabrics by wet-laying an aqueous dispersion. The apparatus and method screens, separates and remover fiber defects and foreign matter above a prescribed size from other dispersion fibers. The apparatus includes a housing having an inlet and several outlets, an accelerator within the housing for creating relative movement between the dispersion fluid and fibers to axially align at least some of the fibers in the direction of dispersion flow to disperse those fibers in the dispersion and a separator within the housing for separating bundles and lumps above a prescribed size from other dispersion fibers. The housing discharges the bundles and lumps above the prescribed size from the process at one outlet, and passes the other dispersion fibers through to another outlet for use in the wet-laying process. The method includes the steps of producing a stream of dispersion, directing the stream over a curvilinear path, creating relative movement between the dispersion fibers and fluid to axially align at least some of the fibers in the direction of dispersion flow, screening fiber bundles and lumps above a prescribed size from other dispersion fibers by intercepting the stream along a curvilinear path at a lateral stream boundary and washing accumulated fiber bundles and lumps above the prescribed size from the screen for discharge from the process and passing the other dispersion fibers for use in the wet-laying process.
    • 用于通过湿式铺设水性分散体制造无纺织物的装置和方法。 该设备和方法屏幕,从其他分散纤维分离和去除纤维缺陷和超过规定尺寸的异物。 该装置包括具有入口和多个出口的壳体,壳体内的加速器,用于在分散流体和纤维之间产生相对运动,以沿着分散流动方向轴向对准纤维中的至少一些以将这些纤维分散在分散体中, 壳体内的分离器,用于将具有规定尺寸的束和块与其它分散纤维分离。 在一个出口的过程中,外壳将规定尺寸以上的束和块排出,并将另一个分散纤维通过到另一个出口,用于湿式铺设过程。 该方法包括以下步骤:产生分散流,将流引导到曲线路径上,产生分散纤维和流体之间的相对运动,以沿分散流动方向轴向对准纤维中的至少一些,筛选纤维束和块 通过在侧流边界处沿着曲线路径拦截流而从其他分散纤维上规定的尺寸以上,并从筛网上洗涤积聚的纤维束和超过规定尺寸的块,以从该方法中排出并通过另一种分散纤维用于 湿敷工艺。