Smoke filter includes a long filter material body, a lining without porous material in areas 1A and 2A, a ventilation area determined around the filter material and an external package, and an inner package for purchasing smoke articles. And their production methods.

摘要

Filter for Smoking Article comprising An elongated Body of Filter material,Inner Sheath of 1A and 2a region of Nonporous material around the filter material to define ventilation area and outer shell that covers the Inner Sheath; Qu for Smoking articleAnd you understand; and its Manufacturing method.