Filter
    1.
    发明授权
    Filter 失效
    过滤

    公开(公告)号:US4007745A

    公开(公告)日:1977-02-15

    申请号:US450530

    申请日:1974-03-12

    IPC分类号: A24D3/02 A24D1/06

    CPC分类号: A24D3/0204 Y10S55/05

    摘要: Improved aerosol filters, particularly cigarette filters, are prepared by imparting a patterned surface, preferably a plurality of longitudinal grooves, to a web of a synthetic thermoplastic fibrous material, preferably a tow of longitudinally aligned crimped continuous cellulose acetate filaments, and forming the resultant patterned web into a filter of the desired form.

    摘要翻译: 改进的气溶胶过滤器,特别是香烟过滤嘴,是通过将图案化的表面,优选多个纵向凹槽赋予合成热塑性纤维材料的纤维网,优选纵向排列的卷曲的连续醋酸纤维素纤维丝束,并形成所得图案化 将其卷入所需形式的过滤器。