Device for examining the degree of filling of a cigarette

Details Device for examining the degree of filling of a cigarette Device for examining the degree of filling of a cigarette

1979-03-14

1981-05-12

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

209536, G02B 516

Patent

active

042674441

ABSTRACT:
A device for the examination of the degree of filling of cigarette ends is disclosed. The device has a light transmitter, a light emitting surface which radiates light into the cigarette end to be examined, and a light receiving surface which picks up the more of the light radiated in, the worse is the degree of filling. The light emitting surface and the light receiving surface are arranged in one plane at end face of the cigarette in such a manner that both bear directly against the cigarette end face and are separated by a light impervious zone from each other transversely to the axis with respect to the cigarette axis and together lie within the cigarette cross-section.

REFERENCES:
patent: 3473037 (1969-10-01), Schmermond
patent: 3729636 (1973-04-01), Merker
patent: 3953730 (1976-04-01), Henry et al.

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