JPH01148427A - 板材への矩形孔形成方法 - Google Patents
板材への矩形孔形成方法Info
- Publication number
- JPH01148427A JPH01148427A JP30473287A JP30473287A JPH01148427A JP H01148427 A JPH01148427 A JP H01148427A JP 30473287 A JP30473287 A JP 30473287A JP 30473287 A JP30473287 A JP 30473287A JP H01148427 A JPH01148427 A JP H01148427A
- Authority
- JP
- Japan
- Prior art keywords
- hole
- tongue piece
- plate material
- rectangular hole
- tip
- 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
- 238000000034 method Methods 0.000 title claims description 10
- 238000005452 bending Methods 0.000 claims abstract description 13
- 210000005182 tip of the tongue Anatomy 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 22
- 239000007769 metal material Substances 0.000 abstract description 3
- 238000003801 milling Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Punching Or Piercing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30473287A JPH01148427A (ja) | 1987-12-02 | 1987-12-02 | 板材への矩形孔形成方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30473287A JPH01148427A (ja) | 1987-12-02 | 1987-12-02 | 板材への矩形孔形成方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01148427A true JPH01148427A (ja) | 1989-06-09 |
| JPH0333048B2 JPH0333048B2 (da) | 1991-05-15 |
Family
ID=17936545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30473287A Granted JPH01148427A (ja) | 1987-12-02 | 1987-12-02 | 板材への矩形孔形成方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01148427A (da) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5935836A (ja) * | 1982-08-25 | 1984-02-27 | Toshiba Electric Equip Corp | ノツクアウト構造 |
| JPS59110128U (ja) * | 1983-01-13 | 1984-07-25 | 株式会社東芝 | プレス切曲型 |
-
1987
- 1987-12-02 JP JP30473287A patent/JPH01148427A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5935836A (ja) * | 1982-08-25 | 1984-02-27 | Toshiba Electric Equip Corp | ノツクアウト構造 |
| JPS59110128U (ja) * | 1983-01-13 | 1984-07-25 | 株式会社東芝 | プレス切曲型 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0333048B2 (da) | 1991-05-15 |
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