Smoking article including dual heat-conducting elements
US10849357B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2013 |
| Grant date | Dec 1, 2020 |
| Priority date | — |
| Expiry date | Feb 12, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24F42/10
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A smoking article is provided, including a heat source; an aerosol-forming substrate downstream of the heat source; a first heat-conducting element around and in contact with a rear portion of the heat source and an adjacent front portion of the aerosol-forming substrate; and a second heat-conducting element around at least a portion of the first heat-conducting element. At least part of the second heat-conducting element is radially separated from the first heat-conducting element; and, preferably, the first and second heat-conducting elements are separated by an outer paper wrapper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.