Method for expanding tobacco and apparatus therefor

Details Method for expanding tobacco and apparatus therefor Method for expanding tobacco and apparatus therefor

1981-09-21

1983-12-06

Millin, V.

Tobacco

Tobacco treatment

Puffing

131303, 131304, A24B 318

Patent

active

044187068

ABSTRACT:
Tobacco stems are expanded by superheated steam in a U-shaped, tubular expansion device, which is provided with a venturi tube and cooling jackets. The superheated steam under high pressure is ejected toward the venturi tube. The rapid speed of the steam stream creates a Bernoulli flow, namely strong suction force in the venturi tube. By this force, the tobacco stems, which are being continuously supplied into a hopper from a tobacco cutter, are automatically sucked into the expansion device via the venturi tube. Tobacco stems primarily expanded in the expansion device are sent to a cyclone system and further puffed therein.

REFERENCES:
patent: 3409027 (1968-11-01), de la Burde
patent: 4040431 (1977-08-01), Ashworth et al.
patent: 4044780 (1977-08-01), Kelly
patent: 4211243 (1980-07-01), Ohno et al.

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