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    • 7. 发明申请
    • METHOD FOR PRODUCING A FILTER ELEMENT HAVING A FILTER MEDIUM
    • 用于生产具有过滤介质的过滤器元件的方法
    • US20120213926A1
    • 2012-08-23
    • US13261209
    • 2010-09-07
    • Viktor Josef LauerDaniel KleemannJohn Kazimierz DuchowskiFrank Oberli
    • Viktor Josef LauerDaniel KleemannJohn Kazimierz DuchowskiFrank Oberli
    • B05D5/00B05D3/12B05D1/02
    • B01D29/111B01D29/21B01D29/232B01D29/58B01D46/0001B01D46/523B01D2275/10
    • The invention relates to a method for producing a filter element (1), comprising a first filter medium (2), which has individual filter folds (4), and a second filter medium, which surrounds at least sections of the filter folds (4) in the manner of a mat-like filter jacket (6) that is composed of individual fibres (5). The invention is characterised in that, in order to form the individual fibres (5), a solid base material is converted into a melt that, with the addition of a fluid carrier flow in directed fibre form, is injected into or sprayed onto the first filter medium (2) via at least one nozzle device (8) in such a way that the individual fibres (5) solidify at least after contacting the first filter medium (2) to form the filter jacket (6), and in that, for a successive mat build-up of the second filter medium (6) during the fibre application, the relevant nozzle device (8) and the pleated first filter medium (2) perform a relative movement with respect to each other and/or the nozzle device (8) applies the fibres along the outer contour of the first filter medium (2) in specifiable spray or injection directions.
    • 本发明涉及一种用于生产过滤器元件(1)的方法,其包括具有单个过滤器折叠(4)的第一过滤介质(2)和至少围绕过滤器折叠部分(4)的第二过滤介质 )以由单个纤维(5)组成的垫状过滤器护套(6)的方式。 本发明的特征在于,为了形成单个纤维(5),将固体基材转变成熔体,其中通过以定向纤维形式添加流体载体流被注入或喷射到第一 过滤介质(2)经由至少一个喷嘴装置(8),使得各个纤维(5)至少在与第一过滤介质(2)接触以形成过滤器夹套(6)之后固化,并且其中, 为了在纤维施加期间连续地堆积第二过滤介质(6),相关喷嘴装置(8)和打褶的第一过滤介质(2)相对于彼此和/或喷嘴 装置(8)沿着第一过滤介质(2)的外轮廓以可指定的喷射或喷射方向施加纤维。