| 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. |
