JPH0111369Y2 - - Google Patents
Info
- Publication number
- JPH0111369Y2 JPH0111369Y2 JP18786384U JP18786384U JPH0111369Y2 JP H0111369 Y2 JPH0111369 Y2 JP H0111369Y2 JP 18786384 U JP18786384 U JP 18786384U JP 18786384 U JP18786384 U JP 18786384U JP H0111369 Y2 JPH0111369 Y2 JP H0111369Y2
- Authority
- JP
- Japan
- Prior art keywords
- bar
- drilling
- drill
- jig
- shaped steel
- 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.)
- Expired
Links
- 238000005553 drilling Methods 0.000 claims description 36
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 210000000078 claw Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Drilling And Boring (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18786384U JPH0111369Y2 (en]) | 1984-12-11 | 1984-12-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18786384U JPH0111369Y2 (en]) | 1984-12-11 | 1984-12-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61102409U JPS61102409U (en]) | 1986-06-30 |
| JPH0111369Y2 true JPH0111369Y2 (en]) | 1989-04-03 |
Family
ID=30745333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18786384U Expired JPH0111369Y2 (en]) | 1984-12-11 | 1984-12-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0111369Y2 (en]) |
-
1984
- 1984-12-11 JP JP18786384U patent/JPH0111369Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61102409U (en]) | 1986-06-30 |
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