| 发明名称 |
SMOKING ARTICLE WITH A RESTRICTOR |
| 摘要 |
A smoking article filter includes a flow restrictor and a cavity downstream of the flow restrictor. The flow restrictor includes an orifice or flow channel for directing smoke into the cavity. The filter is attached to the tobacco rod with tipping paper and includes an air-admissible ventilating zone at a location downstream of the restrictor.
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| 申请公布号 |
US2011100388(A1) |
申请公布日期 |
2011.05.05 |
| 申请号 |
US20110987786 |
申请日期 |
2011.01.10 |
| 申请人 |
PHILIP MORRIS USA INC. |
发明人 |
LI SAN;OLEGARIO RAQUEL;BRAUNSHTEYN MIKE;DWYER ROWLAND W.;GARTHAFFNER MARTIN;WILLIAMS DWIGHT;JUPE RICHARD |
| 分类号 |
A24D3/04;A24D3/06 |
主分类号 |
A24D3/04 |
| 代理机构 |
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代理人 |
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