发明名称 SMOKING ARTICLES
摘要 The invention relates to smoking articles (10) comprising a rod of smokeable material (11) and a filter (12) attached to one end of the rod, said filter comprising at least two sections and being wrapped in a porous plug wrap, wherein a first tipping wrapper (14)overlies the join between the rod of smokeable material and the filter, and at least one additional tipping wrapper (15) is provided around the filter, spaced from and separate to the first tipping wrapper such that a portion of the porous plug wrap is exposed between the first and at least one additional tipping wrapper, and wherein the tipping wrappers are normally less porous than the plug wrap. However if the tipping wrappers are more porous than the plug wraps, the split tipping will still retain its functionality.
申请公布号 WO2013160671(A1) 申请公布日期 2013.10.31
申请号 WO2013GB51031 申请日期 2013.04.24
申请人 BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED 发明人 DITTRICH, DAVID JOHN;BEVAN, MIKE;RUSHFORTH, DAVID;LEWIS, DAVID
分类号 A24D1/02 主分类号 A24D1/02
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