Smoking article comprising an isolated combustible heat source
US11950625B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2021 |
| Grant date | Apr 9, 2024 |
| Priority date | — |
| Expiry date | Feb 6, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D1/22
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A smoking article is provided, including: a combustible heat source having front and rear ends; an aerosol-forming substrate downstream of the rear end; an outer wrapper circumscribing the substrate and at least a rear portion of the heat source; one or more airflow pathways along which air may be drawn through the article for inhalation; one or more third air inlets downstream of the substrate for drawing air into the airflow pathways; and an airflow directing element downstream of the substrate, the third air inlets being provided between a downstream end of the substrate and a downstream end of the airflow directing element, the airflow pathways include an airflow pathway extending between the third air inlets and a mouth end of the article, and the heat source being isolated from the pathways such that air drawn through the article along the pathways does not directly contact the heat source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.