METHOD OF AND APPARATUS FOR SWELLING TOBACCO

METHOD OF AND APPARATUS FOR SWELLING TOBACCO

This invention provides tobacco expansion processes and apparatus that can be employed for expanding tobacco at rapid throughput rates employing high pressure tobacco impregnation conditions. The processes and apparatus of the invention are particularly useful in tobacco expansion processes employin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NEWTON DONALD A, WHITE JACKIE LEE, JOHNSON ROBERT CALVIN, CROOK J.EDWARD, BEARD HOYT S, NESHAN HAMID, CONRAD LUCAS J, LOVETTE JAMES E
Format: Patent
Sprache:eng
Schlagworte:
CIGARETTES
CIGARS
HUMAN NECESSITIES
MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING ORCHEWING
SMOKERS' REQUISITES
SNUFF
TOBACCO
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Beschreibung
Zusammenfassung:This invention provides tobacco expansion processes and apparatus that can be employed for expanding tobacco at rapid throughput rates employing high pressure tobacco impregnation conditions. The processes and apparatus of the invention are particularly useful in tobacco expansion processes employing cycle times of less than 20 - 30 seconds; the use of preheated, prepressurized expansion agent such as propane; preheating of tobacco batches; and/or compression of tobacco within a high pressure impregnation zone for greatly improving use of available space in a high pressure impregnation vessel.