CLOSED LOOP ROLLER LEVELER
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United States of America Patent
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Issued Date -
Dec 13, 2018
app pub date -
Jun 11, 2018
filing date -
Jun 11, 2018
priority date (Note) -
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Abstract
A closed loop roller leveler system has a roller leveler; a flatness sensor; and at least one arm for raising and lowering the flatness sensor. The sensor includes a plurality of sensing rollers extending across a width of a strip of material. The sensor further has at least one load cell and at least one laser sensor for measuring the flatness level of the strip.
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