Coaxial filter cigarette

Details Coaxial filter cigarette Coaxial filter cigarette

1992-07-22

1995-01-10

Bahr, Jennifer

Tobacco

Tobacco or tobacco substitute product or component part thereof

Cigar or cigarette

131194, 131364, 131365, A24D 100, A24D 102

Patent

active

053797892

ABSTRACT:
In a coaxial cigarette including a rod portion having an inner core of a material smoldering substantially without residue, a sheath for the inner core, an outer jacket coaxially surrounding the inner core and its sheath, a sheath for the outer jacket and a filter portion, even whilst dispensing with special papers provided with special additives the secondary smoke is effected solely by the characteristics of a special coaxial rod type, the packing density of the inner core being greater than the packing density of the outer jacket, the draw resistance per unit length with respect to the packing density being greater in the inner core than in the outer jacket, the air permeability of the sheath of the inner core being less than the air permeability of the sheath of the outer jacket and the filter portion having a filter ventilation degree of at least 30% and a retention degree of at least 40%.

REFERENCES:
patent: 3356094 (1967-12-01), Ellis et al.
patent: 3614956 (1971-10-01), Thornton
patent: 4219031 (1980-08-01), Rainer et al.
patent: 4986287 (1991-01-01), Schneider et al.

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