Method of inspecting the ends of stacked cigarettes

Details Method of inspecting the ends of stacked cigarettes Method of inspecting the ends of stacked cigarettes

1989-06-26

1990-12-11

Evans, F. L.

Optics: measuring and testing

By configuration comparison

With comparison to master, desired shape, or reference voltage

209536, 356237, 358106, G01N 2188

Patent

active

049765442

ABSTRACT:
A method of inspecting the ends of cigarettes stacked, in particular, inside a container, with the ends aligned so as to form two opposite lateral surfaces of the mass formed by the same; whereby the ends of the cigarettes are inspected by means of an electro-optical scanning device, usually a telecamera, arranged facing and moving in relation to one of the aforementioned surfaces, so as to scan the same and produce images which are compared with a reference image for enabling rejection of any faulty cigarettes.

REFERENCES:
patent: 3473037 (1969-10-01), Schmermund
patent: 4344520 (1982-08-01), Czoch et al.
patent: 4486098 (1984-12-01), Buchegger et al.

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