发明名称 |
CIGARETTE FILTER ROD ELEMENTS AND CIGARETTES INCORPORATING SUCH FILTER ROD ELEMENTS |
摘要 |
Disclosed is a filter element (1) for a cigarette, and a cigarette incorporating such a filter element, comprising an axially extending porous barrier tube (2) of micro-fine fibres. The space therebetween is filled with a porous filtering material (5), and there is an adhesive layer in the form of an adhesive tube (4). The element is crimped between its ends to form a crimp (6) impervious to gas flow but offering porous filter surfaces (8).
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申请公布号 |
WO9535042(A1) |
申请公布日期 |
1995.12.28 |
申请号 |
WO1994GB01306 |
申请日期 |
1994.06.17 |
申请人 |
ROTHMANS INTERNATIONAL SERVICES LIMITED;LIEW, TOW, PIN |
发明人 |
LIEW, TOW, PIN |
分类号 |
A24D3/04;(IPC1-7):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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