A - Human Necessities – 24 – D
Patent
A - Human Necessities
24
D
A24D 3/04 (2006.01)
Patent
CA 2669297
A filter for a smoking article comprising first and second sections, the first section being at the mouth end of the filter and comprising a cylindrical element circumscribed by a wrapper and having a hollow portion extending therethrough, and the second section being longitudinally aligned with and adjacent to the first section and comprising a filtration material. The second section comprises a particulate material in a circumferential region and extending to the end of the second section immediately adjacent the first section. Also provided is a smoking article incorporating a filter according to the invention.
L'invention concerne un filtre pour un article à fumer comprenant des première et seconde sections, la première section étant à l'extrémité de bouche de filtre et comprenant un élément cylindrique circonscrit par une cape et ayant une partie creuse s'étendant à travers celui-ci, et la seconde section étant alignée longitudinalement avec et adjacente à la première section et comprenant un matériau de filtration. La seconde section comprend un matériau particulaire dans une région périphérique et s'étendant jusqu'à l'extrémité de la seconde section immédiatement adjacente à la première section. L'invention concerne également un article à fumer incorporant un filtre selon l'invention.
British American Tobacco (investments) Limited
Fetherstonhaugh & Co.
LandOfFree
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