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    • 2. 发明申请
    • PLEATED FILTER AND A METHOD FOR MANUFACTURING OF PLEATED FILTERS
    • PLETED过滤器和制造过滤器的方法
    • US20130284666A1
    • 2013-10-31
    • US13979136
    • 2011-01-11
    • Leon GradonJacek BodasinskiWitalis RuminskiPawel KmukJan Gradon
    • Leon GradonJacek BodasinskiWitalis RuminskiPawel KmukJan Gradon
    • B01D39/16B01D67/00
    • B01D39/1692B01D29/111B01D29/21B01D29/23B01D46/523B01D67/0088B01D2201/127B01D2275/50
    • The present invention relates to a method for manufacturing a pleated filter (1) obtained by pleating a filtering material and folding the pleated filtering material to form a cylindrical configuration, which method further comprises applying at least one layer of fibrous covering on the outer surface of ridges of the pleats, which fibrous covering comprising melt-blown fibres (3) of thermoplastic polymer, wherein the pleated filter (1) is arranged in parallel to the blowing head which blows the molten polymer forming fibres, whereas at the same time the filter (1) performs rotational movements and/or reciprocating motions, while the distance of the blowing head from the said outer surface of the filter (1) is selected so that the fibres blown from the head from the said outer surface of the filter (1) is selected so that the fibres blown from the blowing head at the time of contacting the pleat ridges are still in a plastic state.The application provides further a pleated filter containing a pleated filtering material folded to form preferably a cylindrical configuration, on the outer surface of which filter the covering layer manufactured according to die method of the invention is arranged.
    • 本发明涉及一种通过打褶过滤材料并折叠褶皱过滤材料以形成圆柱形构造而获得的褶皱过滤器(1)的方法,该方法还包括在至少一层纤维覆盖物的外表面上 褶皱的脊部,其中包括热塑性聚合物的熔喷纤维(3)的纤维覆盖物,其中打褶过滤器(1)平行于吹塑熔融聚合物形成纤维的吹塑头设置,而同时过滤器 (1)执行旋转运动和/或往复运动,同时选择吹风头与过滤器(1)的所述外表面的距离,使得从过滤器(1)的所述外表面从头部吹出的纤维 ),使得在接触褶皱脊时从吹头吹出的纤维仍处于塑性状态。 本申请进一步提供了一种折叠过滤器,其包含褶皱过滤材料,折叠形成优选圆柱形构造,其外表面上布置了根据本发明的模具方法制造的覆盖层。