发明名称 |
Filters for smoking rods. |
摘要 |
<p>A tipped smoking rod comprising a tobacco rod 2, a filter tip 1 adjacent one end of the tobacco rod which comprises a filter body 3 enclosed within plugwrap material 4, and a tipping overwrap 6 material around the filter tip and the said adjacent end of the tobacco rod, wherein both the plugwrap and the tipping overwrap each comprise a pattern of perforations 7,8 which are selected to give an area of overlap of perforations of at least 0.2mm<2> which is substantially unaffected by the relative positions of the plugwrap and tipping overwrap. <IMAGE></p> |
申请公布号 |
EP0442722(A1) |
申请公布日期 |
1991.08.21 |
申请号 |
EP19910301163 |
申请日期 |
1991.02.13 |
申请人 |
GALLAHER LIMITED |
发明人 |
CUNNINGHAM, LINDA JOYCE;ADAMS, BRIAN;BARHAM, WILLIAM |
分类号 |
A24D3/02;A24D1/02;A24D3/04 |
主分类号 |
A24D3/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|