Tobacco – Tobacco or tobacco substitute product or component part thereof – Cigar or cigarette
Patent
1980-05-09
1983-07-05
Millin, V.
Tobacco
Tobacco or tobacco substitute product or component part thereof
Cigar or cigarette
131360, 131 77, 131 78, 131 79, 131366, 131367, 131368, 131372, 131375, 131370, 131 85, A24B 314, A24F 100, A24F 500
Patent
active
043912850
ABSTRACT:
Smoking articles comprising a high density, relatively low porosity coherent mass of combustible tobacco-containing material having at least one passage extending therethrough are disclosed. In a preferred embodiment the smoking article is a cylinder having at least one passage axially therethrough. The smoking article may further comprise a plug of ignitable material in passage blocking position at one end of the passage, said plug being such as to permit puff induced air flow therethrough. At least one additional plug may be similarly disposed at the opposite end of the passage or at an intermediate point in the passage. By adjusting the density, the surface area and/or the porosity of the mass available for combustion, the per puff delivery of tar by the smoking article upon combustion may be controlled.
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Burnett George H.
Claflin Warren E.
Lanzillotti Harry V.
Lilly, Jr. A. Clifton
Nienow John F.
Millin V.
Philip Morris Incorporated
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