Method and apparatus for inspecting glass containers
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United States of America Patent
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Aug 16, 1983
Grant Date -
N/A
app pub date -
May 22, 1981
filing date -
May 22, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention relates to inspecting glass containers and other types of containers for defects, such as horizontal checks, in the sidewall thereof. The invention involves both method and apparatus for inspecting for such defects, whereby radiant energy is directed from above to be transmitted through the sidewall as a vertical band or column while the container is rotated. A light-sensitive detector observes the sidewall for reflected light produced by the defect, energizing of the detector creating a reject signal for rejection of flawed containers.
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