Cryogenic threshing of tobacco

Details Cryogenic threshing of tobacco Cryogenic threshing of tobacco

1975-02-06

1976-07-20

Michell, Robert W.

Tobacco

Cigar or cigarette making

Tobacco feeding

A24B 506

Patent

active

039700917

ABSTRACT:
A process is disclosed for separating tobacco stems from tobacco leaves which comprises freezing the leaves, subjecting them to flexing to break the lamina free from the stems, and then separating the stems from the lamina. Generally, it is preferable to freeze the tobacco leaves, at a temperature between about 0.degree.C. and -210.degree.C., and to flex the frozen leaves as gently as possible to leave the stem unbroken.

REFERENCES:
patent: 2344106 (1944-03-01), Reed
patent: 2661746 (1953-12-01), Schoenbaum et al.
patent: 3507310 (1970-04-01), Forkner
patent: 3837481 (1974-09-01), Stungis et al.

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