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公开(公告)号:US4007745A
公开(公告)日:1977-02-15
申请号:US450530
申请日:1974-03-12
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。