Low fire spreading cigarette

A - Human Necessities – 24 – D

Patent

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Details

A24D 1/02 (2006.01)

Patent

CA 2434449

A low fire spreading cigarette which has a tobacco section comprising a columnar tobacco filler, an inside cigarette paper sheet wrapping the outer periphery of the columnar tobacco filler, and an outside cigarette paper sheet wrapping the outer periphery of the inside cigarette paper sheet. The heat conductivity of the inside cigarette paper sheet is 0.5 W K-1m-1 or more, while the heat conductivity of the outside cigarette paper sheet is 0.5 W K-1m- 1 or less.

L'invention concerne une cigarette à faible propagation de flamme, qui présente une section du tabac comprenant un chargeur de tabac colonnaire, une feuille de papier cigarette intérieure enveloppant la périphérie extérieure du chargeur de tabac colonnaire, et une feuille de papier cigarette extérieure enveloppant la périphérie extérieure de la feuille de papier cigarette intérieure. La feuille de papier cigarette intérieure présente une conductivité thermique d'au moins 0,5 W ??¿ K?-1¿m?-1¿, et la feuille de papier cigarette extérieure présente une conductivité thermique d'au plus 0,5 W ??¿ K?-1¿m?-1¿.

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