发明名称 FILTER FOR A SMOKING ARTICLE
摘要 A filter (3) for a smoking article (1) comprises one or more segments (4a, 4b, 4c) of filtration media and a substantially transparent wrapper (5). The one or more filter segments (4a, 4b, 4c) and the wrapper (5) define a recess or cavity in the filter (3). An anchoring adhesive (7) is provided to secure the one or more filter segments (4a, 4b, 4c) to the wrapper (5). The anchoring adhesive (7) is disposed exclusively between the wrapper (5) and portions of the one or more filter segments (4a, 4b, 4c) other than those corresponding to the recess or cavity.
申请公布号 CA2781849(A1) 申请公布日期 2011.07.07
申请号 CA20102781849 申请日期 2010.11.19
申请人 BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED 发明人 RICHARDSON, JOHN;SUTTON, JOSEPH PETER
分类号 A24D1/02;A24D3/04 主分类号 A24D1/02
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