VENTILATED SMOKING ARTICLE INCLUDING SORBENT MATERIAL

摘要

A smoking article (10) comprises: a tobacco rod (12); and a filter (14) connected to the tobacco rod and comprising one or more filter segments (16) circumscribed by a filter wrapper (18), including a sorbent material (20). The filter includes a ventilation zone (24) provided upstream of the sorbent material (20). The level of mainstream gas phase smoke constituents delivered (14) during smoking of the smoking article (10) with the ventilation zone (24) open is within up to 40% of the level of mainstream gas phase smoke delivered during smoking of the smoking article (10) with the ventilation zone (24) blocked.

主权项

1. A smoking article comprising:
a tobacco rod; and a filter connected to the tobacco rod and comprising one or more filter segments circumscribed by a filter wrapper including a sorbent material, wherein the filter comprises a ventilation zone provided upstream of the sorbent material, wherein: the ventilation zone provides between 10% and 80% dilution when the ventilation zone is fully open; the ventilation zone is provided upstream of all of the sorbent material; and the ventilation zone is between 20 mm and 30 mm from a mouth end of the smoking article, such that the level of mainstream gas phase smoke constituents when the ventilation zone is open is within up to 40% of the level of mainstream gas phase smoke constituents when the ventilation zone is blocked.