Slit banded paper

Details Slit banded paper Slit banded paper

A - Human Necessities

24

D

A24D 1/02 (2006.01)

Patent

CA 2647961

Wrappers of smoking articles having slit banded regions 10 exhibit both low ignition propensity and reduced rates of self-extinguishment under free burn conditions. In one embodiment, the slit banded regions comprises first 11, second 12 and third 13 zones, with the second zone having greater permeability that the first and third zones, which comprise add-on material. A method of making the wrapperas is also disclosed, as are smoking articles including the wrappers.

Des papiers d'articles à fumer possédant des régions rayées de fentes (10) présentent une propension à l'inflammation faible et un taux réduit d'auto-extinction dans des conditions de combustion libre. Dans un mode de réalisation de l'invention, les régions rayées de fentes comprennent une première (11), une deuxième (12) et une troisième (13) zone, la deuxième zone possédant une plus grande perméabilité que la première et la troisième zone, lesquelles comprennent un matériau ajouté. L'invention concerne aussi un procédé de fabrications de ces papiers ainsi que des articles à fumer comprenant ces papiers.

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