JPH03117514U - - Google Patents
Info
- Publication number
- JPH03117514U JPH03117514U JP2561690U JP2561690U JPH03117514U JP H03117514 U JPH03117514 U JP H03117514U JP 2561690 U JP2561690 U JP 2561690U JP 2561690 U JP2561690 U JP 2561690U JP H03117514 U JPH03117514 U JP H03117514U
- Authority
- JP
- Japan
- Prior art keywords
- channel steel
- drill
- base
- flange
- teeth
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000005553 drilling Methods 0.000 description 1
Landscapes
- Drilling And Boring (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2561690U JPH03117514U (en, 2012) | 1990-03-12 | 1990-03-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2561690U JPH03117514U (en, 2012) | 1990-03-12 | 1990-03-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03117514U true JPH03117514U (en, 2012) | 1991-12-04 |
Family
ID=31528547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2561690U Pending JPH03117514U (en, 2012) | 1990-03-12 | 1990-03-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03117514U (en, 2012) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008178952A (ja) * | 2007-01-25 | 2008-08-07 | Mitsubishi Heavy Ind Ltd | 共穴加工装置 |
| KR101499529B1 (ko) * | 2013-06-17 | 2015-03-06 | 대우조선해양 주식회사 | 천공 장치용 지그 및 이를 이용한 천공 방법 |
-
1990
- 1990-03-12 JP JP2561690U patent/JPH03117514U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008178952A (ja) * | 2007-01-25 | 2008-08-07 | Mitsubishi Heavy Ind Ltd | 共穴加工装置 |
| KR101499529B1 (ko) * | 2013-06-17 | 2015-03-06 | 대우조선해양 주식회사 | 천공 장치용 지그 및 이를 이용한 천공 방법 |
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