Automatic color-tone test device and automatic controlling system for dye liquor
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United States of America Patent
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Jan 14, 2003
Grant Date -
N/A
app pub date -
Mar 28, 2000
filing date -
Nov 4, 1999
priority date (Note) -
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Abstract
An automatic color-tone test device comprises: a measurement cell 4 to which there are communication-connected dye liquor introduction tubes 16, 18 for passing through a controlling dye liquor that is a measurement object and dye liquor discharge tubes 17, 19; a spectrophotometer adapted such that a light transmission distance in the measurement cell 4 can be variably set in compliance with a concentration level of the controlling dye liquor that is a measurement object; and a statistical test computer section for operation-judging whether or not concentration and hue agree with desired values.
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