JPS62125193U - - Google Patents
Info
- Publication number
- JPS62125193U JPS62125193U JP1166986U JP1166986U JPS62125193U JP S62125193 U JPS62125193 U JP S62125193U JP 1166986 U JP1166986 U JP 1166986U JP 1166986 U JP1166986 U JP 1166986U JP S62125193 U JPS62125193 U JP S62125193U
- Authority
- JP
- Japan
- Prior art keywords
- bucket
- opening
- closed
- drilling
- slime
- 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
- 238000005553 drilling Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1166986U JPS62125193U (OSRAM) | 1986-01-31 | 1986-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1166986U JPS62125193U (OSRAM) | 1986-01-31 | 1986-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62125193U true JPS62125193U (OSRAM) | 1987-08-08 |
Family
ID=30799090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1166986U Pending JPS62125193U (OSRAM) | 1986-01-31 | 1986-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62125193U (OSRAM) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57104786A (en) * | 1980-12-19 | 1982-06-29 | Hitachi Construction Machinery | Scull type reverse circulation drill method and apparatus for use with bucket rotary drilling |
-
1986
- 1986-01-31 JP JP1166986U patent/JPS62125193U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57104786A (en) * | 1980-12-19 | 1982-06-29 | Hitachi Construction Machinery | Scull type reverse circulation drill method and apparatus for use with bucket rotary drilling |