Smoking article with extinguishment means
US11266175B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2017 |
| Grant date | Mar 8, 2022 |
| Priority date | — |
| Expiry date | Oct 4, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D1/027
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
There is provided a smoking article (10) comprising: a charge (12) of tobacco material; a wrapper (14) circumscribing the charge (12) of tobacco material; a filter (16) arranged downstream of the charge (12) of tobacco material; and a hollow tube (18) defining an inner cavity (20) and attaching the filter (16) to the wrapper (14). An affixing portion (22) of the wrapper (14) is received within the inner cavity (20) and permanently secured to the hollow tube (18). A downstream end of the charge (12) of tobacco material is secured to the wrapper (14) by means of a thermally deactivatable adhesive (28) provided on an outer surface of the charge (12) of tobacco material or on an inner surface of the wrapper (14) or on both such that, upon deactivation of the adhesive (28), at least a portion of the charge (12) of tobacco material becomes slidable within the wrapper (14) in relation to the filter (16).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.