Ventilated Smoking Article

摘要

1. Technical Result Improvement of quality of smoking article. 2. Essence A smoking article comprises a filter element 14, which consists of a filter plug 16 having a plug wrap 18 consisting of homogeneous filter material, on the outer surface of which there are longitudinal grooves and of ventilated tipping paper connecting the filter element to the tobacco rod 12, in which some grooves 20 are axially extending with respect to the axis of the filter plug and are open on the side of the tobacco rod and do not extend the end directed to the mouth. In addition, the invention concerns the use of such a filter for the reduction of the CO/tar ratio as a function of the filter ventilation. 3. Field of Application Smoking articles Fig: 4