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    MIXED FIBER SLIVER FOR USE IN THE MANUFACTURE OF CIGARETTE FILTER ELEMENTS
    27.
    发明公开
    MIXED FIBER SLIVER FOR USE IN THE MANUFACTURE OF CIGARETTE FILTER ELEMENTS 有权
    混合纤维中的银FOR USE IN香烟过滤元件的生产

    公开(公告)号：EP2877046A1

    公开(公告)日：2015-06-03

    申请号：EP13747551.3

    申请日：2013-07-24

    申请人： R. J. Reynolds Tobacco Company

    发明人： SEBASTIAN, Andries D.

    IPC分类号： A24D3/06 ,  A24D3/10

    CPC分类号： A24D3/068 ,  A24D3/0204 ,  A24D3/0212 ,  A24D3/063 ,  A24D3/10 ,  A24D3/14 ,  D01G13/00 ,  D01H5/00 ,  D02G1/00

    摘要： Smoking articles including filter elements formed from two or more fibrous inputs with different physical properties are provided. The two or more fibrous inputs are provided in the form of staple fibers, which are at least partially entangled with each other to form a mixed fiber sliver. The mixed fiber sliver includes a first plurality of cellulose acetate staple fibers blended with a second plurality of staple fibers comprising a polymeric material different from the first plurality of staple fibers, such as staple fibers of a degradable polymeric material. The entangled fibers of the mixed fiber sliver may be sufficiently separated from one another such that blooming operations typically required in filter element production may not be necessary prior to incorporating the mixed fiber sliver into a filter element. Related methods, apparatuses and mixed fiber products are also provided by the disclosure.