Tobacco – Tobacco treatment – Puffing
Patent
1983-06-13
1985-05-28
Apley, Richard J.
Tobacco
Tobacco treatment
Puffing
131290, 131304, 131306, 131900, 198339, 198496, A24B 318
Patent
active
045194076
ABSTRACT:
A method and apparatus for treating tobacco leaves by impregnating them with liquid carbon dioxide under high pressure. Tobacco leaf containers, in the form of open buckets, are mounted on a turntable which rotates intermittently step by step. In the preferred apparatus, the buckets are mounted in pairs, and when one pair of buckets is at a filling station, the buckets are filled with tobacco. The turntable then rotates to bring this filled pair of buckets to an impregnating station, while another pair of buckets is brought around to the filling station. At the impregnating station, lids are tightly applied and sealed to the buckets, and the impregnating liquid carbon dioxide is introduced, held for a predetermined time, and then released, after which the lids are removed. The turntable then moves to carry the buckets to a discharge station where they are tilted to discharge the contents, and at the next increment of movement, the buckets are brought to a cleaning station where they are cleaned, special attention being given to the rims of the buckets so as to dislodge all particles which might interfere with tight sealing of the covers. The next increment of motion of the turntable carries the cleaned buckets to the filling station, where they are filled and the cycle is repeated.
REFERENCES:
patent: 620139 (1899-02-01), Hysore
patent: 4081991 (1978-04-01), Powers
patent: 4206695 (1980-06-01), Cretors
patent: 4253474 (1981-03-01), Hibbitts et al.
patent: 4340073 (1982-07-01), de la Burde et al.
patent: 4398548 (1983-08-01), van Weert
Apley Richard J.
Beaucage Gregory
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