Smoking article with dual heat-conducting elements and improved airflow
US11564411B2 · kind B2 · utility
1Cited by
18References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2014 |
| Grant date | Jan 31, 2023 |
| Priority date | — |
| Expiry date | Aug 12, 2034 |
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 opposed front and rear faces; an aerosol-forming substrate downstream of the rear face; a first heat-conducting element circumscribing a rear portion of the combustible heat source and at least a front portion of the aerosol-forming substrate; a second heat-conducting element around at least a portion of the first heat-conducting element, wherein at least part of the second heat-conducting element is radially separated from the first heat-conducting element; and one or more first air inlets around a periphery of the aerosol-forming substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.