Method and apparatus for analyzing a layer of metal-working liquid
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United States of America Patent
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Mar 27, 2012
Grant Date -
Aug 13, 2009
app pub date -
Jun 8, 2007
filing date -
Jun 17, 2006
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Abstract
In a shaping process a metal strip is passed in a rolling direction through shaping rolls and a layer of treatment liquid is applied to a surface of the strip upstream of the shaping rolls. Measurement variables of the liquid on the surface are analyzed by laser-induced, time resolved fluorescent spectroscopic analysis or spectroscopic analysis in the infrared band.
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