Tobacco – Cigar or cigarette making – Tobacco feeding
Patent
1992-07-01
1994-06-21
Doyle, Jennifer
Tobacco
Cigar or cigarette making
Tobacco feeding
131108, 406 19, 406168, 406183, A24C 539
Patent
active
053220749
ABSTRACT:
An exhaust fan draws air and entrained tobacco through delivery pipes from a tobacco feeder to the respective dischargers of a group of cigarette making machines, where the tobacco is screened out and the air passes on through exhaust pipes. When a discharger is to release tobacco to its making machine the feeder stops delivery of tobacco to that discharger and, after a delay to clear the delivery pipe, a valve bypasses the air around the discharger so that a constant air flow is maintained. The feeder supplies tobacco in a separate and independently controlled stream to each discharger, and has oscillating vanes to separate and keep the tobacco moving.
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patent: 3386773 (1968-06-01), Ballard
patent: 3535629 (1970-10-01), Gibson et al.
patent: 3860031 (1975-01-01), Grilli
patent: 3989309 (1976-11-01), Preston
patent: 4516888 (1985-05-01), Kardinal
patent: 4557278 (1985-12-01), Brackmann et al.
patent: 4802497 (1989-02-01), Hrboticky
patent: 4832058 (1989-05-01), Lubbe
patent: 4867180 (1989-09-01), Brackmann et al.
patent: 5000197 (1991-03-01), Tallier et al.
Doyle Jennifer
Glenn John F. C.
The Cardwell Machine Company
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