A - Human Necessities – 24 – F
Patent
A - Human Necessities
24
F
A24F 13/00 (2006.01) A24C 5/52 (2006.01) A24D 1/00 (2006.01) A24D 3/04 (2006.01) A24F 7/04 (2006.01)
Patent
CA 2226685
A device for minimizing cigarette sidestream smoke and reducing free- burn rate of a burning cigarette, the device comprises: i) a non-combustible tubular element encasing an effective length of a tobacco charge of a cigarette located in the tubular element; and ii) the tubular element having a means for both minimizing sidestream smoke emission from a burning tobacco charge and reducing free- burn rate of such burning tobacco charge to increase number of puffs from the burning tobacco charge.
Cette invention se rapporte à un dispositif qui permet de réduire au minimum l'émission de fumée latérale d'une cigarette et de diminuer la vitesse de combustion libre d'une cigarette allumée, ce dispositif comprenant (i) un élément tubulaire non combustible (12) renfermant une longueur effective d'une charge de tabac (22) de la cigarette (14) placé dans ledit élément tubulaire; et (ii) un moyen incorporé dans l'élément tubulaire et servant à réduire au minimum l'émission de fumée latérale provenant d'une charge de tabac allumée et à diminuer la vitesse de combustion libre de cette charge de tabac allumée, afin d'augmenter le nombre de bouffées par charge de tabac allumée.
Bowen Larry
Brackmann Warren A.
Snaidr Stanislav M.
Rothmans Benson & Hedges Inc.
Sim & Mcburney
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