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1. (WO1979000857) METHOD AND APPARATUS FOR EXPANDING TOBACCO
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1979/000857 International Application No.: PCT/US1979/000192
Publication Date: 01.11.1979 International Filing Date: 26.03.1979
IPC:
A24B 3/18 (2006.01)
A HUMAN NECESSITIES
24
TOBACCO; CIGARS; CIGARETTES; SMOKERS' REQUISITES
B
MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
3
Preparing tobacco in the factory
18
Other treatment of leaves, e.g. puffing, crimpling, cleaning
Applicants:
Inventors:
Priority Data:
89231631.03.1978US
Title (EN) METHOD AND APPARATUS FOR EXPANDING TOBACCO
(FR) METHODE ET APPAREIL D"EXPANSION DU TABAC
Abstract:
(EN) A tobacco expansion medium which does not cause environmental pollution or is costly. The invention disclosed is a method and apparatus for expanding particles of cured tobacco (16) by means of liquid and gaseous carbon dioxide which is sprayed (18, 20) into a mass of the tobacco in a closed pressure vessel (12, 14). The thus treated tobacco is removed from the vessel and heated (36) such that rapid release of the carbon dioxide effects expansion of the tobacco.
(FR) L"objet de l"invention est de fournir un vehicule d"expansion du tabac qui ne pollue pas et ne soit pas couteux, Methode et appareil d"expansion des particules de tabac seche (16) au moyen de gaz carbinique liquide ou gazeux qui est vaporise (18, 20) dans une masse de tabac dans une enceinte fermee sous pression (12, 14). Le tabac ainsi traite est retire de l"enceinte et chauffe (36) de sorte que degagement rapide de gaz carbinique provoque l"expansion du tabac.
Designated States:
Publication Language: English (EN)
Filing Language: English (EN)