JPS56142887A - Exterior parts for watch - Google Patents
Exterior parts for watchInfo
- Publication number
- JPS56142887A JPS56142887A JP4547180A JP4547180A JPS56142887A JP S56142887 A JPS56142887 A JP S56142887A JP 4547180 A JP4547180 A JP 4547180A JP 4547180 A JP4547180 A JP 4547180A JP S56142887 A JPS56142887 A JP S56142887A
- Authority
- JP
- Japan
- Prior art keywords
- plating
- watch
- noble metal
- exterior parts
- alloy
- 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.)
- Granted
Links
Landscapes
- Electroplating Methods And Accessories (AREA)
Abstract
PURPOSE: To enhance corrosion resistance of the exterior parts of a watch applied with a noble metal plating, in applying the noble metal plating to the surface of a metal substrate material, by coating an Sn alloy containing Ni, Co or the like as an undercoat plating.
CONSTITUTION: In producing the beautiful exterior parts of a watch by plating a noble metal such as Au or the like on a surface of a metal substrate material such as a german silver or the like, as an undercoat plating, the Sn alloy consisting of 60W90% Sn and the remainder of Ni, Co or both of them is plated. Because said Sn alloy has excellent corrosion resistance, corrosion products are not eluted through a pinhole of the noble metal plating layer and excellent appearance can be kept over a long period.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4547180A JPS602398B2 (en) | 1980-04-07 | 1980-04-07 | Exterior parts for watches |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4547180A JPS602398B2 (en) | 1980-04-07 | 1980-04-07 | Exterior parts for watches |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56142887A true JPS56142887A (en) | 1981-11-07 |
JPS602398B2 JPS602398B2 (en) | 1985-01-21 |
Family
ID=12720296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4547180A Expired JPS602398B2 (en) | 1980-04-07 | 1980-04-07 | Exterior parts for watches |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS602398B2 (en) |
-
1980
- 1980-04-07 JP JP4547180A patent/JPS602398B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS602398B2 (en) | 1985-01-21 |
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