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    • 5. 发明申请
    • VENTILATED SMOKING ARTICLE
    • 通风吸烟文章
    • WO2003051144A1
    • 2003-06-26
    • PCT/GB2002/005603
    • 2002-12-11
    • BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITEDSCHLÜTER, AdolfGRZONKA, Horst
    • SCHLÜTER, AdolfGRZONKA, Horst
    • A24D3/04
    • A24D3/043
    • The invention concerns a smoking article filter plug (16) for a cigarette, the filter plug being cylindrical and having a plug wrap (18), grooves (20) being impressed into the plug wrap, and a tipping paper (22) for the attachment of the filter plug to the tobacco rod (12). Some grooves are axially extending with respect to the axis of the filter plug and are open on the side of the tobacco rod and extend continuously only over a part of the length of the filter plug. All grooves are covered by a ventilated tipping paper, which allows ventilating air into the axially extending grooves only. In addition the invention concerns the use of such a filter for the reduction of the CO/tar ratio as a function of the filter ventilation.
    • 本发明涉及一种用于香烟的吸烟制品过滤嘴塞(16),该过滤嘴是圆柱形的,并具有一个塞子包裹物(18),凹槽(20)被压入该包装袋中,一个接头纸(22)用于附着 的过滤塞到烟丝条(12)。 一些凹槽相对于过滤塞的轴线轴向延伸,并且在烟丝条的侧面上敞开,并且连续延伸仅在过滤塞长度的一部分上延伸。 所有的槽都被通风的接头纸覆盖,只允许通风的空气进入轴向延伸的槽。 此外,本发明涉及使用这种过滤器来降低作为过滤器通风的函数的CO /焦油比。