Smoking article with novel wrapper

A - Human Necessities – 24 – D

Patent

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Details

A24D 1/02 (2006.01) A24D 1/10 (2006.01) D21H 19/54 (2006.01) D21H 27/00 (2006.01)

Patent

CA 2684848

A smoking article 20 has a pattern 34a, 34b, 34c, 34d, 36d' of permeability reducing film forming compound applied to the wrapping paper 24. The pattern is configured so that when a smoking article is placed on a substrate, at least two longitudinal locations along the length of the tobacco rod have film forming compound located only on sides of the smoking article not in contact with the substrate. At these longitudinal locations, the restricted airflow to the tobacco due to the presence of the substrate, in combination with the film-forming compound located at the sides is sufficient to cause the smoking article to self-extinguish. However, when the smoking article is held by a smoker, the presence of the film-forming compound does not by itself cause the smoking article to extinguish. A desirable self burn capability is therefore maintained.

Un article à fumer 20 a un motif 34a, 34b, 34c, 34d, 36d' de composé de formation de film à réduction de perméabilité appliqué au papier à cigarette 24. Le motif est configuré de telle sorte que lorsqu'un article à fumer est placé sur un substrat, au moins deux emplacements longitudinaux le long de la longueur du boudin de tabac ont un composé de formation de film situé uniquement sur des côtés de l'article à fumer non en contact avec le substrat. Au niveau de ces emplacements longitudinaux, l'écoulement d'air restreint vers le tabac en raison de la présence de substrat, en combinaison avec le composé de formation de film situé au niveau des côtés, est suffisant pour amener l'article à fumer à s'éteindre tout seul. Cependant, lorsque l'article à fumer est tenu par un fumeur, la présence du composé de film n'amène pas elle-même l'article à fumer à s'éteindre. Une aptitude à s'auto-consumer désirable est par conséquent conservée.

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