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    • 10. 发明申请
    • Method and device for producing nonwoven moulded bodies
    • 用于生产非织造成型体的方法和装置
    • US20050140059A1
    • 2005-06-30
    • US10504627
    • 2003-02-15
    • Michael ErnstHolger SiebenKlaus Menke
    • Michael ErnstHolger SiebenKlaus Menke
    • D04H1/72D04H1/00D04H1/22D04H1/54D04H1/60B29C31/00B29C43/10
    • D04H1/22D04H1/60
    • During the production of moulded bodies from a nonwoven (20) which can be solidified by a binding agent (11), differences in contour arise in critical profile regions of the moulded body using known methods. This especially occurs where the profile (26) has sharp curves or where the height of the profile sharply increases. According to the invention, moulded bodies having accurate profiles are produced by subjecting the nonwoven (20) to a suction process in points, i.e. at least in the critical profile regions, in the step of the method during which die form tool is closed. The air enclosed inside die nonwoven is thereby sucked out (37) and is used to position the fibre bundles on the contour of the form tool (25, 26) in an accurate manner. This enables an accurate embodiment of the moulded body to be obtained in terms of its contour, during cooling and hardening.
    • 在由可由结合剂(11)固化的无纺布(20)制造成型体期间,使用已知方法在成型体的关键轮廓区域中出现轮廓差异。 这特别发生在轮廓(26)具有尖锐曲线或轮廓的高度急剧增加的地方。 根据本发明,具有精确轮廓的成型体通过使模具形成工具闭合的方法的步骤中的非织造材料(20)以点,即至少在临界轮廓区域中进行抽吸处理来制造。 因此,将模具内的空气封入非织造布中,由此被抽出(37),用于将纤维束定位在成形工具(25,26)的轮廓上。 这使得能够在冷却和硬化期间根据其轮廓获得成型体的精确实施例。