FIELD: tobacco industry.
SUBSTANCE: invention relates to a cigarette filter which is enclosed in an envelope, located at end of paper cartridge with tobacco or tobacco mixture. In envelope there is a filter element made of microporous synthetic material or from porous filter paper. Between filter element and tobacco there is a stack which forms a mesh filter, assembled from disc plates cut from fabric. On first part of disc plates there is a filter nanolayer of carbon. At second middle part of plates there is a silver nanolayer, and at third part of plates there is a nanolayer of rare-earth metals. Furthermore, disc filter plates are assembled into a stack which forms a mesh filter, length of which is less than diameter of filter envelope and length of microporous filter element.
EFFECT: proposed filter increases efficiency and improves consumer properties of cigarettes.
1 cl, 7 dwg
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RU2382583C2 |
