| 发明名称 |
Filter for a Smoking Article |
| 摘要 |
The invention relates to a filter (1) for a smoking article, a method of production thereof, a smoking article and a device for inserting a first fibrous filter material (3) into a second fibrous filter material (4) to form a filter for a smoking article. Particularly but not exclusively the invention relates to a smoking article filter segment including a region of first fibrous filter material (3) disposed within a region of second fibrous filter material (4) and a method of production thereof. The first fibrous filter material (3) in some embodiments comprises greater than 5% by volume of the total filter segment volume and in some embodiments the first fibrous material comprises PLA fibres and the second fibrous filter material comprises CA fibres. |
| 申请公布号 |
US2015164133(A1) |
申请公布日期 |
2015.06.18 |
| 申请号 |
US201314404178 |
申请日期 |
2013.05.24 |
| 申请人 |
British American Tabacco (Investments) Limited |
发明人 |
Davis Andrew |
| 分类号 |
A24D3/06;A24D3/02 |
主分类号 |
A24D3/06 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A filter segment for a smoking article, the filter segment comprising
a region of first fibrous filter material disposed at least substantially within a region of second fibrous filter material, wherein the first fibrous filter material comprises greater than 5% by volume of the total filter segment volume, the second fibrous filter material is a plasticised filter material and the first fibrous filter material is a non-plasticised filter material. |
| 地址 |
London, LO GB |
