JPS63133824U - - Google Patents
Info
- Publication number
- JPS63133824U JPS63133824U JP2402387U JP2402387U JPS63133824U JP S63133824 U JPS63133824 U JP S63133824U JP 2402387 U JP2402387 U JP 2402387U JP 2402387 U JP2402387 U JP 2402387U JP S63133824 U JPS63133824 U JP S63133824U
- Authority
- JP
- Japan
- Prior art keywords
- punch
- detection device
- breakage detection
- piezoelectric element
- voltage signal
- 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
- 238000001514 detection method Methods 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims 1
- 238000004080 punching Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
Landscapes
- Punching Or Piercing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2402387U JPS63133824U (enrdf_load_stackoverflow) | 1987-02-20 | 1987-02-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2402387U JPS63133824U (enrdf_load_stackoverflow) | 1987-02-20 | 1987-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63133824U true JPS63133824U (enrdf_load_stackoverflow) | 1988-09-01 |
Family
ID=30822871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2402387U Pending JPS63133824U (enrdf_load_stackoverflow) | 1987-02-20 | 1987-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63133824U (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011255501A (ja) * | 2011-08-22 | 2011-12-22 | Takeshi Yano | パンチング装置およびパンチングシステム |
-
1987
- 1987-02-20 JP JP2402387U patent/JPS63133824U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011255501A (ja) * | 2011-08-22 | 2011-12-22 | Takeshi Yano | パンチング装置およびパンチングシステム |
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