Improvements in or relating to smoking articles

Details Improvements in or relating to smoking articles Improvements in or relating to smoking articles

A - Human Necessities

24

D

A24D 3/04 (2006.01)

Patent

CA 2174247

There is provided a smoking article (10) comprising a smokable rod (11) and a filter (12). A tube (17) communicates at its upstream end with a circumferential groove (15) which leads to ventilation perforations (14). The tube (17) is initially blocked with a viscous fluid (19). This fluid (19), therefore, initially prevents ventilation through the perforations (14). After a number of puffs, however, the fluid will have been drawn out of the tube (17) thereby enabling ventilation to occur.

L'invention se rapporte à un article destiné à être fumé (10) comprenant un boudin (11) qui se fume, ainsi qu'un filtre (12). Un tube (17) communique par son extrémité amont avec une gorge circulaire conduisant à des trous d'aération (14). Ce tube (17) est d'abord bloqué par un fluide visqueux (19), lequel empêche ainsi l'arrivée d'air par les trous (14). Cependant, après un certain nombre de bouffées, tout le fluide est aspiré hors du tube (17), permettant ainsi l'arrivée d'air.

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