Method for separating tobacco particles on cigarette manufacturi

Details Method for separating tobacco particles on cigarette manufacturi Method for separating tobacco particles on cigarette manufacturi

1984-06-01

1986-07-15

Millin, V.

Tobacco

Cigar or cigarette making

Tobacco feeding

1311092, A24C 539

Patent

active

046000216

ABSTRACT:
Method for separating tobacco particles on cigarette manufacturing machines, whereby particles of shredded, carded tobacco are fed, through a side inlet passage, into a chamber communicating at the top with an upward feed channel, at the bottom with a downward reject channel, on one side with an inlet passage and on the other side with a by-pass channel, one outlet of which communicates with a mid point on the reject channel. The particles reaching the by-pass channel are first slowed down inside the channel, then isolated from the chamber, brought up to room pressure and finally dropped, at essentially zero initial speed, along an outlet portion of the by-pass channel and through at least one air current moving upward in the direction of the reject channel.

REFERENCES:
patent: 3665932 (1972-05-01), Goldbach
patent: 3727755 (1973-04-01), Cristiani
patent: 3871385 (1975-03-01), David
patent: 4024878 (1977-05-01), Labbe
patent: 4463768 (1984-08-01), Quarella
patent: 4526182 (1985-07-01), Labbe

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