Sheet inspection station with pneumatic sheet guide
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United States of America Patent
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Oct 31, 1989
Issued Date -
N/A
app pub date -
Mar 6, 1989
filing date -
Jun 1, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A sheet inspection station including pneumatic means for guiding the sheet past one or more measurement sensors in non-contacting fashion, thus eliminating measurement error resulting from fiber/dust buildup associated with friction between the sheet and conventional guide rails. Air is directed from components, that extend from a sensor surface, onto the sheet surface.
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