RADIATION DIRECTORY FOR SMOKING ARTICLE FILTER Russian patent published in 2019 - IPC A24D3/04 

FIELD: tobacco industry.

SUBSTANCE: invention relates to a fermentation article comprising a tobacco rod; filter with a rod of filtering material, which defines a segment of the downstream end of the smoking article, wherein the rod is surrounded by one or more filter wrappers; and a rim material attaching the tobacco rod to the filter; characterized in that the smoking article solidity in the segment of the downstream end is at least 90 % and not more than 94 %, filtering material passes to the downstream end of the filter; wherein one or more filter wrappers have a basis weight of 65 g per square meter to 80 g per square meter and porosity of less than 100 Coresta units.

EFFECT: technical result is to increase hardness while reducing stiffness of the filter wrap.

22 cl, 10 dwg