Method and apparatus for mixing streams of separately treated to

Details Method and apparatus for mixing streams of separately treated to Method and apparatus for mixing streams of separately treated to

1975-01-17

1976-10-19

Michell, Robert W.

Tobacco

Cigar or cigarette making

Including cooperating surfaces to induce rolling

131 22R, A24B 714

Patent

active

039865177

ABSTRACT:
Tobacco shreds which are conveyed from a source in the form of a continuous stream are mixed with expanded tobacco ribs in such a way that the ratio of dry weights of successive unit lengths of the two streams which reach a mixing station remains constant. To this end, the moisture content of successive unit lengths of the two streams is measured by discrete detectors, and the overall weight of successive unit lengths of the stream of tobacco shreds is determined by a weighing device. A first analog computer is connected with the moisture detector for tobacco shreds and with the weighing device and transmits signals which are indicative of the dry weight of successive unit lengths of the stream of shreds. A ratio selector circuit determines the required dry weight of successive unit lengths of the rib stream in response to signals from the first computer and transmits such signals to a second analog computer which is further connected with the moisture detector for the rib stream. The signal at the output of the second computer is used to control the speed of a feeding conveyor which regulates the quantity of tobacco in successive unit lengths of the rib stream.

REFERENCES:
patent: 1967487 (1934-10-01), Elberty, Jr.
patent: 3794049 (1974-02-01), Wochnowski
patent: 3831610 (1974-08-01), Wochnowski

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