CIGARETTE FILTER AND RELATIVE PRODUCTION METHOD

摘要

A filter (3) for a cigarette (1) has an organic filtering portion (7) defined by granules or fibres (8) of active carbon and housed inside a cylindrical shell (11) of plastic material; the shell (11) is located between a portion (6) of cellulose acetate, which is engaged orally by a user, and a cigarette portion (4), and has a bottom (12), contacting the portion (6) of cellulose acetate and hermetically supporting a particulate trap (16) for retaining fine particulate, and an end contacting the cigarette portion (4) and closed by a plug (15) of cellulose acetate.