JPH0233938Y2 - - Google Patents
Info
- Publication number
- JPH0233938Y2 JPH0233938Y2 JP4049287U JP4049287U JPH0233938Y2 JP H0233938 Y2 JPH0233938 Y2 JP H0233938Y2 JP 4049287 U JP4049287 U JP 4049287U JP 4049287 U JP4049287 U JP 4049287U JP H0233938 Y2 JPH0233938 Y2 JP H0233938Y2
- Authority
- JP
- Japan
- Prior art keywords
- cutting edge
- right sides
- hole
- punch
- blade surfaces
- 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.)
- Expired
Links
- 230000001154 acute effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011796 hollow space material Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Landscapes
- Punching Or Piercing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4049287U JPH0233938Y2 (tr) | 1987-03-19 | 1987-03-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4049287U JPH0233938Y2 (tr) | 1987-03-19 | 1987-03-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63150716U JPS63150716U (tr) | 1988-10-04 |
JPH0233938Y2 true JPH0233938Y2 (tr) | 1990-09-12 |
Family
ID=30854624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4049287U Expired JPH0233938Y2 (tr) | 1987-03-19 | 1987-03-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0233938Y2 (tr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2908935B2 (ja) * | 1992-06-19 | 1999-06-23 | 株式会社アマダメトレックス | 打抜き用金型 |
JP2006159210A (ja) * | 2004-12-02 | 2006-06-22 | Sango Co Ltd | パイプの孔開け用パンチ及び孔開け方法 |
-
1987
- 1987-03-19 JP JP4049287U patent/JPH0233938Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS63150716U (tr) | 1988-10-04 |
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