Inspection equipment for mouth section of bottle-can
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United States of America Patent
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Jun 16, 2015
Grant Date -
Apr 10, 2014
app pub date -
Jun 4, 2012
filing date -
Jun 6, 2011
priority date (Note) -
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Abstract
Inspection equipment for mouth section of bottle-can, including: a rotating device which holds and rotates the bottle-can around a can-axis; a first illumination device which irradiates a first illumination light toward the curl portion in an imaging area; a second illumination device which irradiates a second illumination light having a different light color from that of the first illumination light toward the curl portion from an opposite side to the first illumination light with the imaging area therebetween; a third illumination device which irradiates a third illumination light having a different light color along an intersecting direction with the first and second illumination lights; an imaging device which is disposed toward the imaging area and obtains an inspection image including reflected lights at the curl portion; and an asperity-recognition device which detects an edge position of the curl portion based on the reflected light of the third illumination light.
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