JPS6465274A - Production of antiqued external parts for timepiece - Google Patents
Production of antiqued external parts for timepieceInfo
- Publication number
- JPS6465274A JPS6465274A JP22261387A JP22261387A JPS6465274A JP S6465274 A JPS6465274 A JP S6465274A JP 22261387 A JP22261387 A JP 22261387A JP 22261387 A JP22261387 A JP 22261387A JP S6465274 A JPS6465274 A JP S6465274A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- underlayer
- plating
- antiqued
- electroplating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Electroplating Methods And Accessories (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
PURPOSE:To obtain antiqued external parts for a timepiece having superior wear resistance over a long period by successively forming an Ni (alloy) layer, a Pd (alloy) layer and Rh plating as an intermediate layer on the surface of a Cu alloy, etc., further forming a Ti-based black hard film as a finishing layer by ion plating, and removing the film by barrel machining. CONSTITUTION:For example, an Ni layer as a first underlayer is formed on a brass watchcase by electroplating or other method and Pd plating as a second underlayer is formed on the first underlayer by electroplating. Rh plating as an intermediate layer is further formed on the second underlayer by electroplating and coated with a dark-gray hard film of a Ti-C-N compd. as a finishing layer by ion plating. The hard film is then polished with a rotating barrel to obtain an antiqued watchcase having uniform gold color as the base color.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22261387A JPS6465274A (en) | 1987-09-04 | 1987-09-04 | Production of antiqued external parts for timepiece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22261387A JPS6465274A (en) | 1987-09-04 | 1987-09-04 | Production of antiqued external parts for timepiece |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6465274A true JPS6465274A (en) | 1989-03-10 |
Family
ID=16785198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22261387A Pending JPS6465274A (en) | 1987-09-04 | 1987-09-04 | Production of antiqued external parts for timepiece |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6465274A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2699555A1 (en) * | 1992-12-23 | 1994-06-24 | Ebauchesfabrik Eta Ag | Object having a pinkish-colored coating. |
-
1987
- 1987-09-04 JP JP22261387A patent/JPS6465274A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2699555A1 (en) * | 1992-12-23 | 1994-06-24 | Ebauchesfabrik Eta Ag | Object having a pinkish-colored coating. |
EP0603673A1 (en) * | 1992-12-23 | 1994-06-29 | Eta SA Fabriques d'Ebauches | Object having a pink coating |
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