| 摘要 |
A device for monitoring the quality of cigarettes in a packing machine, which may be mounted on an input hopper of a packing machine of cyclic type in order to monitor the quality of the cigarettes of a stack moving in steps along each output channel of the hopper and to carry out the removal of defective cigarettes, comprising, with respect to each channel, a sensor element and an associate ejector element, whose respective operating cycles take place, with respect to each cigarette, within a same cycle of this machine.
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