Tobacco – Smoke separator or treater – Plural diverse elements
Patent
1991-06-03
1993-11-30
Brown, Theatrice
Tobacco
Smoke separator or treater
Plural diverse elements
131331, 131194, A24D 300
Patent
active
052656268
ABSTRACT:
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, respectively, 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 particles 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.
REFERENCES:
patent: 3356094 (1967-12-01), Ellis
patent: 3614956 (1971-10-01), Thornton
patent: 4219031 (1980-08-01), Rainer
patent: 4273141 (1981-06-01), Tilburg
patent: 4380241 (1983-04-01), Horsewell
patent: 4386618 (1983-06-01), Cantrell
patent: 4540005 (1985-09-01), Cantrell et al.
patent: 4550740 (1985-11-01), Riehl, Jr.
patent: 4874004 (1989-10-01), Borowski et al.
patent: 4920990 (1990-05-01), Lawrence et al.
patent: 4986287 (1991-01-01), Schneider et al.
Effect of Cigarette Paper on Smoke Yield and Composition, by Owens, Jr., 32nd Tobacco Chemists Conference in 1978, published in "Recent Advances in Tobacco Science", vol. 4.
The design of Low Yield Cigarettes, by Schur et al, published in a 1960 Volume of "Tobacco Science".
Borowski Horst
Kausch Erwin
Kutting Rolf
Meyer Meinhard
Moller Knut
B.A.T. Cigarettenfabriken GmbH
Brown Theatrice
Doyle J.
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