JPS5439287A - Method of press-punching lead and lead alloy - Google Patents
Method of press-punching lead and lead alloyInfo
- Publication number
- JPS5439287A JPS5439287A JP10562477A JP10562477A JPS5439287A JP S5439287 A JPS5439287 A JP S5439287A JP 10562477 A JP10562477 A JP 10562477A JP 10562477 A JP10562477 A JP 10562477A JP S5439287 A JPS5439287 A JP S5439287A
- Authority
- JP
- Japan
- Prior art keywords
- lead
- punching
- press
- alloy
- lead 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
- Punching Or Piercing (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
PURPOSE: To make it possible to effect punching by ordinary press punching on a lead or lead alloy plate having a thickness of between 0.4mm and 5.0mm, by selecting the pitch of the punched bore to be 0.3 to 1.0 time as large the plate thickness.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10562477A JPS5439287A (en) | 1977-09-02 | 1977-09-02 | Method of press-punching lead and lead alloy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10562477A JPS5439287A (en) | 1977-09-02 | 1977-09-02 | Method of press-punching lead and lead alloy |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5439287A true JPS5439287A (en) | 1979-03-26 |
Family
ID=14412635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10562477A Pending JPS5439287A (en) | 1977-09-02 | 1977-09-02 | Method of press-punching lead and lead alloy |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5439287A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007529324A (en) * | 2004-03-15 | 2007-10-25 | テック コミンコ メタルズ リミテッド | Continuous rotary drilling method and apparatus |
-
1977
- 1977-09-02 JP JP10562477A patent/JPS5439287A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007529324A (en) * | 2004-03-15 | 2007-10-25 | テック コミンコ メタルズ リミテッド | Continuous rotary drilling method and apparatus |
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