Cigarette with burn rate modification

A - Human Necessities – 24 – D

Patent

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Details

A24D 1/10 (2006.01) A24B 15/14 (2006.01) A24C 5/18 (2006.01) A24C 5/20 (2006.01) A24C 5/46 (2006.01) A24D 1/02 (2006.01)

Patent

CA 2505917

A cigarette with burn rate modification is described. The cigarette has a partial double wrap design and incorporates an inner wrap material which extends partially around the interior portion of the outer wrapper of a cigarette. The inner wrap can be a single element or can be a plurality of strips which extend coaxially along the tobacco column and which affect the burn rate of the cigarette. The partial inner wrap material exhibits a low porosity and forms zones of high diffusion and low diffusion along the length of the tobacco rod. These zones may be singular or may be alternating and are coaxial. The low diffusion zones are aligned with the inner wrap material.

L'invention concerne une cigarette à vitesse de combustion modifiée. Cette cigarette a une structure à deux enveloppes et comprend un matériau d'enveloppe interne qui s'étend partiellement autour de la partie intérieure de l'enveloppe externe d'une cigarette. L'enveloppe interne peut être un élément unique ou une pluralité de rubans qui s'étendent coaxialement avec la colonne de tabac et qui modifient la vitesse de combustion de la cigarette. Le matériau d'enveloppe interne partielle manifeste une faible porosité et forme des zones de diffusion intense et de faible diffusion sur toute la longueur de la tige de tabac. Ces zones peuvent être unitaires ou alternantes, et sont coaxiales. Les zones à faible diffusion sont alignées avec le matériau d'enveloppe interne.

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