JPH0426430Y2 - - Google Patents
Info
- Publication number
- JPH0426430Y2 JPH0426430Y2 JP19023587U JP19023587U JPH0426430Y2 JP H0426430 Y2 JPH0426430 Y2 JP H0426430Y2 JP 19023587 U JP19023587 U JP 19023587U JP 19023587 U JP19023587 U JP 19023587U JP H0426430 Y2 JPH0426430 Y2 JP H0426430Y2
- Authority
- JP
- Japan
- Prior art keywords
- aiming
- guide beam
- drilling drill
- fixed
- swing arm
- 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 26
- 238000000605 extraction Methods 0.000 claims description 13
- 239000010953 base metal Substances 0.000 claims description 8
- 229910000805 Pig iron Inorganic materials 0.000 description 23
- 239000002184 metal Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
- Blast Furnaces (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19023587U JPH0426430Y2 (Direct) | 1987-12-14 | 1987-12-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19023587U JPH0426430Y2 (Direct) | 1987-12-14 | 1987-12-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0194446U JPH0194446U (Direct) | 1989-06-21 |
| JPH0426430Y2 true JPH0426430Y2 (Direct) | 1992-06-25 |
Family
ID=31481223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19023587U Expired JPH0426430Y2 (Direct) | 1987-12-14 | 1987-12-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0426430Y2 (Direct) |
-
1987
- 1987-12-14 JP JP19023587U patent/JPH0426430Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0194446U (Direct) | 1989-06-21 |
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