SMOKING ARTICLE WITH IMPROVED DELIVERY PROFILE

摘要

A smoking article (10) which provides lower amounts of total particulate matter in a latter portion of its puff count includes a cylinder (20) of smoking material (21), a combustible hollow tube (60) within the cylinder of smoking material, and a heat sink (70) at a downstream end of the hollow tube. The smoking article also includes a filter system (40) attached to the cylinder of smoking material having a sorbent material (82) and at least one downstream segment (85) of filtering material (86). Other embodiments of a smoking article comprise: an aerosol former (102); a fully filled rod portion (68), and a hollow, partially filled, rod portion (60). A method of making a smoking article comprises: forming a tobacco rod portion, and forming a filter system having a plurality of segments comprising a heat sink segment (70).