发明名称 |
SMOKING ARTICLE INCLUDING FLOW RESTRICTOR IN HOLLOW TUBE |
摘要 |
There is provided a filter for a smoking article. The filter comprises a hollow tube (203) of filter material having an outer diameter and an inner diameter. The filter further comprises a flow restrictor (205) disposed in the hollow tube. At least one cross sectional dimension of the flow restrictor is larger than the inner diameter of the hollow tube such that the flow restrictor engages with the hollow tube to retain the flow restrictor in the hollow tube. There is also provided a smoking article comprising such a filter. |
申请公布号 |
WO2014102095(A3) |
申请公布日期 |
2014.08.21 |
申请号 |
WO2013EP77004 |
申请日期 |
2013.12.17 |
申请人 |
PHILIP MORRIS PRODUCTS S.A. |
发明人 |
NAPPI, LEONARDO;BESSO, CLEMENT |
分类号 |
A24D3/04 |
主分类号 |
A24D3/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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