Tobacco – Cigar or cigarette making – Molding or forming
Patent
1988-07-28
1989-11-07
Millin, Vincent
Tobacco
Cigar or cigarette making
Molding or forming
131 843, 131905, 131906, A24C 518, A24C 528, A24C 534
Patent
active
048785067
ABSTRACT:
The tobacco stream which is formed at the underside of a foraminous conveyor and carries a surplus of tobacco particles is transported past a trimming device which removes the surplus to convert the stream into a filler which is thereupon wrapped into a web of cigarette paper. The mass flow of tobacco particles in the untrimmed stream is monitored by a detector which utilizes infrared light, and the signals from such detector are used to change the position of the conveyor relative to the trimming device so as to ensure that the mass flow of tobacco particles in the filler remains within a desired range. One or more additional detectors monitor the mass of flow tobacco particles in the filler upstream and/or downstream of the wrapping station, and the signals from such second detector or detectors are used to correct the position of the conveyor relative to the trimming device and/or to change the position of the trimming device relative to the conveyor.
REFERENCES:
patent: 4759379 (1988-07-01), Lorenzen
patent: 4799501 (1989-01-01), Liebe et al.
Heitmann Uwe
Lorenzen Heinz-Christen
Pinck Peter
Siems Wolfgang
Crosby D. F.
Kontler Peter K.
Korber AG
Millin Vincent
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