Apparatus for the inspection of transparent materials utilizing a diffusing screen
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United States of America Patent
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Jun 27, 1989
Issued Date -
N/A
app pub date -
Dec 2, 1988
filing date -
Jul 28, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to an apparatus for the optical inspection of partially transparent articles. The apparatus comprises means for transporting the body to the inspection station and orienting it therein which comprises a horizontal plate having a vertical axis which is driven by a star wheel carrying rollers which permit rotation of the object at the inspection station by an exterior counter roller. The device further comprises a translucent diffusing screen; a receiver having a linear camera for observing the rear surface of the screen; and a fixed light emitter arranged outside the mounting of the body.
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