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US 4,448,208 AGranted
Tobacco extractor
AssigneePhilip Morris Incorporated
InventorsHermann Friedrich, Claude Ruf, Jacques Brosy
Life of this patent
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Abstract
A tobacco extractor (10) for extracting liquid and soluble constituents from cut, small plants or tobacco is disclosed. The extractor (10) consists of a worm conveyor (16) for conveying the tobacco through a V-shaped conduit (11, 12) while the wash liquid passes through the conduit in an opposite direction.
Claims3
An extractor comprising:
- a downwardly sloping inlet conduit;
- an upwardly sloping outlet conduit connected to said downwardly sloping conduit at their lowest portions;
- a worm conveyor coaxially mounted in said inlet and outlet conduit;
- a plant material inlet mounted at the upper end of said inlet conduit;
- a plant material outlet at the upper end of said outlet conduit;
- an extract discharge line mounted at the upper end of said inlet conduit;
- and
- a wash liquid feed connection mounted at the upper end of said outlet conduit.
5 more elements
Dependencies are inferred from the claim text.