Measuring cigarette characteristics during pyrolysis smoking
US4227400A · kind A · utility
4Cited by
5References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 1979 |
| Grant date | Oct 14, 1980 |
| Priority date | — |
| Expiry date | May 29, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B11/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The length and firmness of a cigarette rod during smoking are measured on automatic basis to determine the effects of blend, moisture and temperature on the firmness of a cigarette rod behind the coal of a burning cigarette.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.