A device for inspecting filter end face of manufactured filter cigarette

摘要

A device for inspecting the filter end face of a filter cigarette is provided with an optical sensor(15) having an aperture ring(24) for emitting a measuring light toward the filter end face and receiving the light reflected from the filter end face and outputting a detection signal corresponding to the luminous energy of the reflected light, a hood(25) for covering the aperture ring(24) of the optical sensor(15), a plurality of injection holes(29) for injecting compressed air into the hood(25), and a processing unit for determining whether the filter end face is normal or not in accordance with the detection signal output from the optical sensor(15).