Inspection device and inspection method for filter

Abstract

An inspection device 50 for a filter inspects the filter, which is provided to a flavor inhalation article. The filter is provided with a mouthpiece end, a solid material, and a communication path that communicates with the solid material and opens to the mouthpiece end. The inspection device is provided with: an illumination for irradiating an inspection light onto the mouthpiece end in an irradiation direction that extends along the axial direction X; a camera for photographing the peripheral surface of the filter in a photographing direction that extends along the radial direction Y of the filter; an image processing unit for processing an image photographed by the camera and detecting a shadow of the solid material; and, an assessment unit for assessing the presence or absence and the quality of the solid material 12 on the basis of the shadow detected by the image processing unit.

Dependencies are inferred from the claim text.