SMOKING ARTICLE FILTER AND SMOKING ARTICLE COMPRISING SUCH FILTER Russian patent published in 2024 - IPC A24D3/04 

FIELD: smoking accessories.

SUBSTANCE: group of inventions relates to filters for smoking articles. Device comprises two or more parts with filter. At least one of two or more parts with filter contains from two to four holes. Shortest distance from the outer wall of the filter of the smoking article to the hole is greater than or equal to 0.7 mm and less than or equal to 1.3 mm.

EFFECT: optimum resistance to draw is provided, coefficient of smoke components removal is increased, transfer of cigarette smell to hands during smoking is prevented, reduced number of stains formed in the cross section of the filter during smoking, which allows the cross section of the filter to remain clean after smoking.

11 cl, 4 dwg, 6 tbl, 5 ex