Apparatus for testing the end portions of cigarettes or the like

Details Apparatus for testing the end portions of cigarettes or the like Apparatus for testing the end portions of cigarettes or the like

1974-08-23

1976-04-20

Knowles, Allen N.

Classifying, separating, and assorting solids

Adhesion

Coated surface or mass

209 74M, 209 81R, 324 61QS, 331 65, B07C 508

Patent

active

039512673

ABSTRACT:
Apparatus for determining the mass of tobacco shreds in the end portions of the rod-like tobacco filters of filter cigarettes has a conveyor which transports a series of cigarettes sideways so that the end portions of successive fillers travel between or past two stationary electrodes of a capacitor which is connected with a source of high-frequency voltage serving to establish a high-frequency field in the path of successive end portions. The end portions influence the field to an extent which is indicative of the mass of tobacco therein, and the influence of successive end portions upon the field is evaluated by a circuit which produces signals serving to segregate cigarettes with fillers having defective end portions.

REFERENCES:
patent: 3001648 (1961-09-01), Molins
patent: 3485357 (1969-12-01), Payne
patent: 3671857 (1972-06-01), Bergmanis
patent: 3723865 (1973-03-01), Batey

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