JPS5474220A - Outside parts of time piece - Google Patents
Outside parts of time pieceInfo
- Publication number
- JPS5474220A JPS5474220A JP14174977A JP14174977A JPS5474220A JP S5474220 A JPS5474220 A JP S5474220A JP 14174977 A JP14174977 A JP 14174977A JP 14174977 A JP14174977 A JP 14174977A JP S5474220 A JPS5474220 A JP S5474220A
- Authority
- JP
- Japan
- Prior art keywords
- case
- stainless steel
- less
- time piece
- outside parts
- 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
- Heat Treatment Of Steel (AREA)
Abstract
PURPOSE: To improve corrosion resistance by suppressing the polarization activity of stainless steel by manufacturing a timepiece band and case using stainless steel containing less than 1.0 % Ni.
CONSTITUTION: The timepiece band and case are manufactured by using a stainless steel containing 20 to 40 % Cr, less than 1 % Ni, and 0.2 to 5 % Mo. The inclusion of Cr and Mo increases corrosion resistance and also the inclusion of less than 1.0 % Ni assists in suppressing polarization action of steel. In this case, the C(carbon) content is reduced as much as possible to suppress the formation of the carbide of Cr, thus improving the anticorrosive effect to a great extent.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14174977A JPS5474220A (en) | 1977-11-26 | 1977-11-26 | Outside parts of time piece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14174977A JPS5474220A (en) | 1977-11-26 | 1977-11-26 | Outside parts of time piece |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5474220A true JPS5474220A (en) | 1979-06-14 |
Family
ID=15299294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14174977A Pending JPS5474220A (en) | 1977-11-26 | 1977-11-26 | Outside parts of time piece |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5474220A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3176653A1 (en) * | 2015-12-03 | 2017-06-07 | Cartier International AG | Clock component having a magnetic shielding function and comprising a steel alloy |
-
1977
- 1977-11-26 JP JP14174977A patent/JPS5474220A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3176653A1 (en) * | 2015-12-03 | 2017-06-07 | Cartier International AG | Clock component having a magnetic shielding function and comprising a steel alloy |
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