JPH0118254Y2 - - Google Patents
Info
- Publication number
- JPH0118254Y2 JPH0118254Y2 JP9501081U JP9501081U JPH0118254Y2 JP H0118254 Y2 JPH0118254 Y2 JP H0118254Y2 JP 9501081 U JP9501081 U JP 9501081U JP 9501081 U JP9501081 U JP 9501081U JP H0118254 Y2 JPH0118254 Y2 JP H0118254Y2
- Authority
- JP
- Japan
- Prior art keywords
- drilling machine
- water
- drilling
- cutter
- main pipe
- 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 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004080 punching Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009528 severe injury Effects 0.000 description 1
Landscapes
- Drilling And Boring (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9501081U JPS58807U (ja) | 1981-06-26 | 1981-06-26 | 穿孔機 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9501081U JPS58807U (ja) | 1981-06-26 | 1981-06-26 | 穿孔機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58807U JPS58807U (ja) | 1983-01-06 |
| JPH0118254Y2 true JPH0118254Y2 (enrdf_load_stackoverflow) | 1989-05-29 |
Family
ID=29889932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9501081U Granted JPS58807U (ja) | 1981-06-26 | 1981-06-26 | 穿孔機 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58807U (enrdf_load_stackoverflow) |
-
1981
- 1981-06-26 JP JP9501081U patent/JPS58807U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58807U (ja) | 1983-01-06 |
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