Treated areas on a wrapper for reducing the ignition...

Details Treated areas on a wrapper for reducing the ignition... Treated areas on a wrapper for reducing the ignition...

A - Human Necessities

24

D

A24D 1/02 (2006.01) D21F 9/00 (2006.01) D21H 17/67 (2006.01) D21H 23/00 (2006.01)

Patent

CA 2715495

Smoking articles (10) having reduced ignition proclivity characteristics are disclosed. The smoking articles include a paper wrapper (14) containing cellulosic fibers and filler particles. The paper wrappers are formed so that the filler particles form a concentration gradient throughout the thickness of the wrapper. More particularly, a greater concentration of filler particles are present at a first surface in comparison to the amount of filler particles present at the opposite surface. In accordance with the present disclosure, an ignition reducing composition is applied to the first surface. In this manner, treated areas having more uniform properties are formed.

L'invention porte sur des articles à fumer ayant des caractéristiques de propension à l'allumage réduites. Les articles à fumer comprennent un emballage en papier contenant des fibres cellulosiques et des particules de charge. Les emballages en papier sont formés de telle sorte que les particules de charge forment un gradient de concentration dans toute l'épaisseur de l'emballage. Plus particulièrement, une plus grande concentration de particules de charge sont présentes au niveau d'une première surface par rapport à la quantité de particules de charge présentes au niveau de la surface opposée. Selon la présente invention, une composition de réduction d'allumage est appliquée à la première surface. De cette façon, des zones traitées ayant des propriétés plus uniformes sont formées.

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