Coaxial filter cigarette

Details Coaxial filter cigarette Coaxial filter cigarette

A - Human Necessities

24

D

131/12

A24D 1/04 (2006.01) A24D 1/00 (2006.01) A24D 3/04 (2006.01)

Patent

CA 2007022

A coaxial filter cigarette with a rod portion having an inner core of material glowing substantially free of residue, in particular tobacco material, a sheath or wrapper for the inner core, an outer shell of tobacco and/or non-tobacco material coaxially surrounding the inner core or its sheath, respec- tively, a sheath or wrapper for the outer shell, and with a filter portion having a filter core, an air-impermeable sheath or wrapper for the filter core, a filter shell and a sheath or wrapper for the filter shell comprises a zone of the main heat source which is located in the inner core of the rod portion and a zone in which the major part of the aerosol reaching the mouth of the smoker is produced and which is located in the outer shell of the rod portion; the filter portion greatly reduces the combustion gases originating from the inner core of the rod portion and substantially reduces the smoke par- ticles originating from the inner core, whereas the aerosol produced in the outer shell of the rod portion is influenced only slightly or not at all.

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