Cigarette filter

Details Cigarette filter Cigarette filter

A - Human Necessities

24

D

A24D 3/16 (2006.01) A24D 1/02 (2006.01) A24D 3/02 (2006.01) A24D 3/04 (2006.01)

Patent

CA 2455412

A filter for cigarette having a plurality of filter sections where a plurality of filtering materials (2) are wrapped individually with winding papers (3), a shaping paper (5) for wrapping the plurality of filter sections integrally, and a chip paper for covering the shaping paper in order to produce a cigarette through connection with the cigarette part, wherein active carbon (41) and silica/alumina (42)are contained as an adsorbent in at least one of the filtering material (2) and the air gap between the filtering materials (2).

L'invention concerne un filtre à cigarette comprenant une pluralité de sections filtrantes dans lesquelles plusieurs matières filtrantes (2) sont enroulées individuellement dans des papiers (3) d'enroulement, un papier (5) de mise en forme recouvrant entièrement la pluralité de sections filtrantes, et un papier fin recouvrant le papier de mise en forme afin d'obtenir une cigarette par la connexion à la partie cigarette. Du charbon actif (41) et de la silice/alumine (42) servent d'adsorbants dans au moins une des matières filtrantes (2) et l'espace entre les matières filtrantes (2).

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