Tobacco – Cigar or cigarette making
Patent
1989-06-29
1990-09-11
Millin, V.
Tobacco
Cigar or cigarette making
131905, 131908, 209536, 250223R, A24C 534
Patent
active
049559486
ABSTRACT:
For the checking of cigarettes for their correct formation in terms of a sufficient tobacco content, electrooptical test processes have been employed for a relatively long time. The use of these processes has hitherto made it necessary to employ high-performance sensitive sensors in order to obtain definite test results. The new process and the corresponding apparatus are intended to make it possible to check cigarettes by the reflection process, especially in a cigarette conveyor (cigarette turret), in which accurate results can be obtained in short test times by means of a simple test device. By means of a special arrangement of the electrooptical sensors for the checking of the cigarettes in test units moved relative to the cigarettes to be checked, it is possible for the cigarettes to be checked for a correct tobacco content, by contactless sensing, either during stationary phases or during rotational movement of the cigarette conveyor (cigarette turret). At the same time, the high reflecting capacity of cigarette paper is utilized for checking the tobacco content.
REFERENCES:
patent: 3557374 (1971-01-01), Schmermund
patent: 4266674 (1981-05-01), Bell et al.
patent: 4486098 (1984-12-01), Buchegger et al.
patent: 4644150 (1987-02-01), Kuga et al.
Focke Heinz
Schulte Josef
Doyle J. L.
Focke & Co. (GmbH & Co.)
Millin V.
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