Filter for a smoking article

Details Filter for a smoking article Filter for a smoking article

A - Human Necessities

24

D

A24D 3/04 (2006.01)

Patent

CA 2725121

A multi-section filter (5) for a smoking article comprises at least a first (5B) and a second filter section (5A). The first filter section (5B) is at a mouth end of the filter (5) and the second filter section includes a set of ventilation holes (17) and a set of grooves (7). The grooves (7) extend from respective ventilation holes (17) along the second filter section (5A) up to but not into the first filter section (5B).

L'invention porte sur un filtre à sections multiples (5) destiné à un article à fumer, lequel filtre comprend au moins une première (5B) et une deuxième (5A) section de filtre. La première section de filtre (5B) se trouve à une extrémité d'embouchure du filtre (5), et la deuxième section de filtre comprend un ensemble de trous de ventilation (17) et un ensemble de rainures (7). Les rainures (7) s'étendent à partir de trous de ventilation respectifs (17) le long de la deuxième section de filtre (5A), jusqu'à la première section de filtre (5B), mais pas à l'intérieur de celle-ci.

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