Decoration method by anodic oxidation film processing
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United States of America Patent
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N/A
Issued Date -
Feb 8, 2007
app pub date -
May 1, 2006
filing date -
Aug 4, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In anodic oxidation film processing for expressing pattern by dyeing in two or more colors, the present invention is a method to provide gradation of colors in continuous tones at the gradation portion at the boundary of dyeing. (Problem) To provide a method of realizing at a low cost wear resistant and fading resistant gradation expression on an anodic oxidation film. (Solution) A part of the decolorize portion 15 having a dyed anodic oxidation film is immersed into a solution of decolorize agent 30 or the solution of decolorize agent 30 is adhered onto the decolorize portion 15. In case of immersing the work 100 into the solution of decolorize agent 30, the solution of decolorize agent 30 and the work 100 are relatively moved up and down or a liquid surface 31 of the solution of decolorize agent 30 is waved for adjustment of decolorizing. Alternatively, in case of adhering the solution of decolorize agent 30 on the work 100, the solution of decolorize agent 30 is sprayed for forming the gradation portion of continuous tones in the degree of dyeing.
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