Opposed seam electrically heated cigarette smoking system
US7690385B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 6, 2006 |
| Grant date | Apr 6, 2010 |
| Priority date | — |
| Expiry date | Sep 17, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D1/20
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An electrically heated cigarette smoking system includes a cigarette that is formed with a tobacco rod portion, a filter tube portion, a tobacco mat layer wrapped around the tobacco rod portion and the filter tube portion with opposite ends of the tobacco mat layer abutting along a seam parallel to the central axis of the cigarette and cigarette paper wrapped around the tobacco mat layer and bonded to itself along an overlapped seam that is offset from the seam of the tobacco mat layer. The method of manufacturing the cigarette includes wrapping the tobacco mat layer and the cigarette paper around the tobacco rod portion and the filter tube portion on a single, high-speed machine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.