JPH0160724U - - Google Patents
Info
- Publication number
- JPH0160724U JPH0160724U JP15808687U JP15808687U JPH0160724U JP H0160724 U JPH0160724 U JP H0160724U JP 15808687 U JP15808687 U JP 15808687U JP 15808687 U JP15808687 U JP 15808687U JP H0160724 U JPH0160724 U JP H0160724U
- Authority
- JP
- Japan
- Prior art keywords
- core metal
- holder
- pipe
- fixed
- drilling 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
- 239000002184 metal Substances 0.000 claims description 8
- 238000005553 drilling Methods 0.000 claims description 3
Landscapes
- Punching Or Piercing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15808687U JPH0231208Y2 (ko) | 1987-10-14 | 1987-10-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15808687U JPH0231208Y2 (ko) | 1987-10-14 | 1987-10-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0160724U true JPH0160724U (ko) | 1989-04-18 |
| JPH0231208Y2 JPH0231208Y2 (ko) | 1990-08-23 |
Family
ID=31438098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15808687U Expired JPH0231208Y2 (ko) | 1987-10-14 | 1987-10-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0231208Y2 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101532551B1 (ko) * | 2014-05-01 | 2015-06-30 | 문규연 | 휴대용 파이프 홀 천공장치 |
-
1987
- 1987-10-14 JP JP15808687U patent/JPH0231208Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101532551B1 (ko) * | 2014-05-01 | 2015-06-30 | 문규연 | 휴대용 파이프 홀 천공장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0231208Y2 (ko) | 1990-08-23 |