Dyeing method of aluminum-based member, and aluminum-based...

Coating processes – Nonuniform coating

Reexamination Certificate

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C008S685000, C008S686000, C008S687000, C008S692000, C008S693000, C204S508000, C204S510000, C205S202000, C205S333000

Reexamination Certificate

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07931939

ABSTRACT:
In a dyeing method of an aluminum-based member, a first color forming material is held in a hole of a first region of an anodized film, a second color forming material is held in holds of a second region that is smaller than the first region by diagonally spraying, When the second colored layer is formed, a gradation region is formed in a boundary with the first region and the second region, and the hole are closed.

REFERENCES:
patent: 3079309 (1963-02-01), Wainer
patent: 3242037 (1966-03-01), Howe
patent: D581922 (2008-12-01), Andre et al.
patent: 2004/0161614 (2004-08-01), Athey et al.
patent: 2007/0028402 (2007-02-01), Matsuoka
patent: 2007-39757 (2007-02-01), None

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