CIGARETTE EXTINGUISHMENT METHOD AND SELF-EXTINGUISHING CIGARETTE Russian patent published in 2014 - IPC A62C3/00 A24D1/02 

FIELD: tobacco industry.

SUBSTANCE: usage: invention relates to a cigarette extinguishment method and to a self- extinguishing cigarette for the method implementation. The specificity of the self- extinguishing cigarette (containing a tobacco core consisting of fragments with low and high tobacco stuffing density, a paper cartridge enveloping the core and a filter) is as follows: fragments with high stuffing density are placed along the tobacco core length from the open end to the filter in the form of a conic frustum, oriented with conicity towards the filter, while fragments with low stuffing density are placed along the periphery of the conic frustum between the latter and the paper cartridge.

EFFECT: self- extinguishing cigarette development.

2 cl, 2 dwg