Cigarette monitoring
US4567752A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 9, 1982 |
| Grant date | Feb 4, 1986 |
| Priority date | — |
| Expiry date | Dec 9, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S131/904
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A cigarette making machine includes apparatus for determining the internal pressure of an axially moving cigarette rod comprising forming a continuous rod in which a wrapper web surrounds a tobacco filler including an endless impervious flexible tape arranged to be wrapped around at least part of the circumference of the rod, a guide through which the rod and tape are arranged to pass, means for supplying air under pressure to the guide to enter a gap between the guide and the tape; and a monitor for monitoring a physical characteristic of the supplied air. Also included is compensating for the effect which moisture in the tobacco has on the internal pressure of the cigarette rod.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.