Device for controlling contents of tobacco on cigarette machine

Details Device for controlling contents of tobacco on cigarette machine Device for controlling contents of tobacco on cigarette machine

1985-02-25

1987-01-27

Millin, V.

Tobacco

Cigar or cigarette making

131 841, A24C 514

Patent

active

046388176

ABSTRACT:
A tobacco content control device for cigarette machine, including a radiometric density detector for irradiating tobacco being transferred along a predetermined path on a cigarette machine with a radiant ray and converting the intensity of radiation transmitted through the tobacco into an electric signal, controlling tobacco contents to a predetermined value according to the output signal of the radiometric density detector, characterized in that the control device comprises: voltage generating means for producing two voltage signals indicative of upper and lower limits of a predetermined range; comparison means adapted to compare the output signal of the radiometric density detector with the voltage signals and to produce an output signal when the predetermined range is outrun; and means for informating abnormality of the radiometric density detector upon receipt of the output signal of the comparison means.

REFERENCES:
patent: 3604429 (1971-09-01), De Witt
patent: 3604430 (1971-09-01), Norwich et al.
patent: 4063563 (1977-12-01), Corenzen
patent: 4574816 (1986-03-01), Rudszinat

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