Testing of cigarettes
US3943752A · kind A · utility
4Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 1974 |
| Grant date | Mar 16, 1976 |
| Priority date | — |
| Expiry date | May 3, 1994 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M3/26
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A cigarette testing device comprises means to apply positive or negative pressure to one end of each cigarette; means defining a chamber around at least part of the cigarette, with seals around the cigarette to restrict communication between the interior of the chamber and atmosphere; and means to detect the pressure in the chamber during testing; and including means defining a predetermined deliberate leakage path between the chamber and atmosphere.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.