发明名称 FILTER, SMOKING ARTICLES CONTAINING THE SAME, FILTER STRANDS AND METHODS AND DEVICES FOR PRODUCING FILTERS AND SMOKING ARTICLES OF THIS TYPE
摘要 The invention relates to a filter (10) for tobacco products, comprising a first end filter element (12), a second end filter element (14) and a central filter element (16), located between the first and the second end filter element and containing a granular filter material and a wrapping (20), one part of one of the end filter elements (12) being displaceable in relation to the wrapping (20). The invention also relates to smoking articles comprising filters of this type, to filter strands comprising two or more of the filters and to methods and devices for producing filters and tobacco products of this type.
申请公布号 EA005538(B1) 申请公布日期 2005.04.28
申请号 EA20040000798 申请日期 2002.12.10
申请人 PHILIP MORRIS PRODUCTS S.A. 发明人 LAUENSTEIN, MICHAEL;BOIDO, DANTE, M.;AESCHLIMANN, REYNALD, M.
分类号 A24D3/04;A24D1/04;A24D3/02;A24D3/16;(IPC1-7):A24D3/02 主分类号 A24D3/04
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