JPS6415231A - Aluminum alloy sheet for cap - Google Patents
Aluminum alloy sheet for capInfo
- Publication number
- JPS6415231A JPS6415231A JP62169886A JP16988687A JPS6415231A JP S6415231 A JPS6415231 A JP S6415231A JP 62169886 A JP62169886 A JP 62169886A JP 16988687 A JP16988687 A JP 16988687A JP S6415231 A JPS6415231 A JP S6415231A
- Authority
- JP
- Japan
- Prior art keywords
- projecting part
- case
- diameter
- depth
- aluminum 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.)
- Pending
Links
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- ing And Chemical Polishing (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
PURPOSE:To obtain the aluminum alloy sheet for a cap excellent in formability and coating property by forming the recessed or projecting part in a limited diameter and depth at limited mean center intervals on the surface of an aluminum alloy plate. CONSTITUTION:The diameter of a recessed or projecting part arranged on the surface is taken in 0.5-150mum. If the diameter is less than 0.5mum, the stagnant effect of a lubrication oil is eliminated and it does not contribute to the improvement of a drawing formability. In case of the diameter exceeding 150mum the adhesion of a coating agent is impeded and the corrosion resistance is spoiled. The depth of the recess of the height of the projecting part is taken in 0.1-20mum. If the depth or height be lese than 0.1mum the holding effect of a lubrication oil is eliminated and it does not contribute to the improvement in a drawing formability. In case of exceeding 20mum the coating film adhesion is hampered. the mean center gap of the mutual recess or projection parts is taken in 2-1000mum. In the case of the center gap being less than 2mum the recess or projecting part each other is superposed or the tip of the projecting part at the intermediate part between the recesses becomes at acute angle, is ruptured at the forming time and a forming part is damaged. In case of exceeding 1000mum the lubricating effect is reduced and the coating film adhesion is lowered as well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62169886A JPS6415231A (en) | 1987-07-09 | 1987-07-09 | Aluminum alloy sheet for cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62169886A JPS6415231A (en) | 1987-07-09 | 1987-07-09 | Aluminum alloy sheet for cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6415231A true JPS6415231A (en) | 1989-01-19 |
Family
ID=15894779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62169886A Pending JPS6415231A (en) | 1987-07-09 | 1987-07-09 | Aluminum alloy sheet for cap |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6415231A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02310036A (en) * | 1989-05-26 | 1990-12-25 | Kobe Steel Ltd | Al-mg alloy continuous painted plate and treatment thereof |
| US5978033A (en) * | 1997-01-14 | 1999-11-02 | Nec Corporation | Motion picture encoder |
-
1987
- 1987-07-09 JP JP62169886A patent/JPS6415231A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02310036A (en) * | 1989-05-26 | 1990-12-25 | Kobe Steel Ltd | Al-mg alloy continuous painted plate and treatment thereof |
| US5978033A (en) * | 1997-01-14 | 1999-11-02 | Nec Corporation | Motion picture encoder |
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