发明公开
- 专利标题: Cigarette and filter therefor
- 专利标题(中): Zigarette und Filterdafür。
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申请号: EP89308624.9申请日: 1989-08-24
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公开(公告)号: EP0392112A1公开(公告)日: 1990-10-17
- 发明人: Nyffeler, Urs , Slagle, Roger, Sherman , Stathopoulos, Andreas
- 申请人: FABRIQUES DE TABAC REUNIES S.A.
- 申请人地址: Quai Jeanrenaud 3 P.O. Box 11 CH-2003 Neuchâtel-Serrières CH
- 专利权人: FABRIQUES DE TABAC REUNIES S.A.
- 当前专利权人: FABRIQUES DE TABAC REUNIES S.A.
- 当前专利权人地址: Quai Jeanrenaud 3 P.O. Box 11 CH-2003 Neuchâtel-Serrières CH
- 代理机构: Marlow, Nicholas Simon
- 优先权: GB8908535 19890414
- 主分类号: A24D3/04
- IPC分类号: A24D3/04
摘要:
A cigarette filter 12 comprises a rod of filter material having an inner zone 16 or 60% to 90% filter efficiency and an outer zone 18 of 10% to 40% filter efficiency, the inner zone occupying from 30% to 60% of the cross-sectional area of the filter. The filter is attached to a tobacco rod 10 by a tipping 14 having perforations 24 admitting air into the filter.
公开/授权文献
- EP0392112B1 Cigarette and filter therefor 公开/授权日:1995-06-14
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