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    • 11. 发明申请
    • FILTERING DEVICE AND SPINNING HEAD
    • 过滤装置与晕头转向
    • WO99064648A1
    • 1999-12-16
    • PCT/EP1999/003814
    • 1999-06-02
    • D01D4/08D01D1/10D01D4/00D01D4/06
    • D01D1/106
    • The invention relates to a filtering device for a spinning head (10) for producing plastic threads and to the spinning head itself (10). The spinning head has a housing (12) in which the plastic melt flows through a filter element (18) under pressure before exiting the spinnerets. Said filter element is provided with a filtering material (20) that is subjected to an axial contact pressure through a distributor device (22), according to the degree of pressure of the melt. This contact pressure acts upon the sealing edges (26, 28) of the filter element (18), the sealing gaps (24) being closed. The special geometrical configuration of the filter element (18) and/or its elasticity guarantee advantageous filtering in terms of energy. The filtering system is resistant to pressure and provides good, permanent sealing.
    • 本发明涉及一种过滤设备,用于纺丝头(10),用于制造塑料螺纹,和一个旋转头(10)本身包括一个壳体(12),其中来自压力下的喷丝头其出口前的塑料熔化物中,过滤器元件(18) 取决于熔体的压力下在过滤元件(18)的密封边缘(26,28)的密封间隙(24)的开闭作用的强度流过经由分配器装置的过滤材料(20)(22)接收的轴向推压力。 因为该过滤器元件(18)和/或它的弹性行为的特殊几何结构可以实现的,其中所述过滤系统处于压力稳定的,并且提供了良好的连续的密封能量上有利的过滤操作。