Sealed pneumatic tobacco conveying and treating apparatus

Details Sealed pneumatic tobacco conveying and treating apparatus Sealed pneumatic tobacco conveying and treating apparatus

1983-10-13

1985-07-16

Millin, V.

Tobacco

Tobacco treatment

With fluid or fluent material

131302, 34 57E, A24B 318, F26B 308

Patent

active

045289956

ABSTRACT:
An apparatus for treating a tobacco as it is conveyed through the apparatus includes a heater for heating the treating and conveying gas, a tobacco-gas separator device for separating the treated tobacco from the treating and conveying gas, a duct fluidity interconnecting the heater with the tobacco-gas separator device, a venturi located in the duct, and a tobacco feed device for introducing tobacco to be treated into the throat of the venturi to be entrained by the treating gas stream between the heater device and tobacco-gas separator device. The separated treating gas is returned to the heater device for reuse in treating more tobacco. The apparatus further includes a venturi which maintains a substantially zero internal atmospheric pressure at the tobacco feed device to prevent the escape of treating gas from the apparatus or entry of ambient air into the apparatus.

REFERENCES:
patent: 4214375 (1980-07-01), Albus et al.
patent: 4418706 (1983-12-01), Kim et al.

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