SMOKING ARTICLE COMPRISING INSULATED COMBUSTIBLE HEAT SOURCE Russian patent published in 2018 - IPC A24F47/00 

Abstract RU 2668859 C2

FIELD: smoking accessories.

SUBSTANCE: invention relates to a smoking article. Smoking article comprises a combustible heat source having a front portion and a rear portion; an aerosol-forming substrate downstream of the rear portion of the combustible heat source; and a wrapper circumscribing the front portion and the rear portion of the combustible heat source, wherein the wrapper is in contact with the rear portion of the combustible heat source and wherein all or part of the front portion of the combustible heat source has a reduced diameter compared to the rear portion of the combustible heat source, so that the wrapper is radially spaced from all or part of the front portion of the combustible heat source by an air gap of at least about 0.5 mm.

EFFECT: technical result of the invention is providing a smoking article having a reduced surface temperature near the heat source and an acceptable appearance and enabling a more reliable assembly.

16 cl, 2 ex, 2 tbl, 3 dwg

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RU 2 668 859 C2

Authors

Lavanshi Frederik

Borzhis Di Korasa Ana Karolina

Dates

2018-10-03Published

2014-12-29Filed