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).
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
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