Method of forming colored pattern on the surface of aluminum or

Details Method of forming colored pattern on the surface of aluminum or Method of forming colored pattern on the surface of aluminum or

1982-11-30

1984-05-01

Tufariello, T.

Chemistry: electrical and wave energy

Processes and products

204 23, 204 35N, C25D 502, C25D 534

Patent

active

044459815

ABSTRACT:
A method of forming a colored pattern on the surface of aluminum or aluminum alloy comprising the steps of subjecting the surface to a first electrolytic treatment to form a background of anodic oxide film, and placing a pattern-forming electrode against the surface in adjacent but spaced apart relation. The surface is then subjected to a second electrolytic treatment to electrochemically impress the pattern onto the background by applying a voltage between the surface and the pattern-forming electrode in an electrolytic bath containing a metallic salt. The pattern-forming electrode is removed from the surface, and the surface having the background and the pattern is subjected to a third electrolytic treatment in an electrolytic bath containing a metallic salt to develop difference in color tones and intensities between the background and the pattern.

REFERENCES:
patent: 2421735 (1947-06-01), Prest
patent: 3654117 (1972-04-01), Klein
patent: 3775263 (1973-11-01), Rjumshina
patent: 4066516 (1978-01-01), Sato

Affiliated with

Also associated with

Rating

Method of forming colored pattern on the surface of aluminum or does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of forming colored pattern on the surface of aluminum or , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of forming colored pattern on the surface of aluminum or will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2030228