Inspection equipment for screw part of bottle-can
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United States of America Patent
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May 10, 2016
Grant Date -
May 8, 2014
app pub date -
Jun 4, 2012
filing date -
Jun 6, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
Inspection equipment for a screw part of a bottle-can having a mouth section provided with a curl portion in which an opening edge thereof is rolled up outward and the screw part for fitting a cap by threads below the curl portion for attaching the cap with a liner, the inspection equipment inspects a shape of the screw part of the mouth section by imaging an imaging area which is set so as to include a part of the mouth section while rotating the bottle-can around a can-axis, the inspection equipment including: a rotating device which holds and rotates the bottle-can around the can-axis; a thread-illumination device which irradiates illumination light toward the screw part of the bottle-can; an imaging device which continuously obtains inspection images including reflected light of the illumination light at the imaging area; and an thread-inspection device which inspects the screw part.
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