JPH01143628U - - Google Patents
Info
- Publication number
- JPH01143628U JPH01143628U JP4072388U JP4072388U JPH01143628U JP H01143628 U JPH01143628 U JP H01143628U JP 4072388 U JP4072388 U JP 4072388U JP 4072388 U JP4072388 U JP 4072388U JP H01143628 U JPH01143628 U JP H01143628U
- Authority
- JP
- Japan
- Prior art keywords
- upper mold
- ball
- machined hole
- workpiece
- mold
- 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
- 230000004308 accommodation Effects 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Punching Or Piercing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4072388U JPH0438896Y2 (enExample) | 1988-03-28 | 1988-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4072388U JPH0438896Y2 (enExample) | 1988-03-28 | 1988-03-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01143628U true JPH01143628U (enExample) | 1989-10-02 |
| JPH0438896Y2 JPH0438896Y2 (enExample) | 1992-09-11 |
Family
ID=31267186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4072388U Expired JPH0438896Y2 (enExample) | 1988-03-28 | 1988-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0438896Y2 (enExample) |
-
1988
- 1988-03-28 JP JP4072388U patent/JPH0438896Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0438896Y2 (enExample) | 1992-09-11 |