JPS6426196U - - Google Patents
Info
- Publication number
- JPS6426196U JPS6426196U JP12184787U JP12184787U JPS6426196U JP S6426196 U JPS6426196 U JP S6426196U JP 12184787 U JP12184787 U JP 12184787U JP 12184787 U JP12184787 U JP 12184787U JP S6426196 U JPS6426196 U JP S6426196U
- Authority
- JP
- Japan
- Prior art keywords
- die
- hole
- circumferential surface
- roller
- serration
- 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
- 238000004080 punching Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12184787U JPS6426196U (enExample) | 1987-08-08 | 1987-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12184787U JPS6426196U (enExample) | 1987-08-08 | 1987-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6426196U true JPS6426196U (enExample) | 1989-02-14 |
Family
ID=31369231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12184787U Pending JPS6426196U (enExample) | 1987-08-08 | 1987-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6426196U (enExample) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273015A (en) * | 1979-06-04 | 1981-06-16 | Johnson Donald R | Dome head punch |
-
1987
- 1987-08-08 JP JP12184787U patent/JPS6426196U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273015A (en) * | 1979-06-04 | 1981-06-16 | Johnson Donald R | Dome head punch |