JPS6180883U - - Google Patents
Info
- Publication number
- JPS6180883U JPS6180883U JP16301984U JP16301984U JPS6180883U JP S6180883 U JPS6180883 U JP S6180883U JP 16301984 U JP16301984 U JP 16301984U JP 16301984 U JP16301984 U JP 16301984U JP S6180883 U JPS6180883 U JP S6180883U
- Authority
- JP
- Japan
- Prior art keywords
- bit
- slit
- attached
- drilling tool
- tool
- 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 3
- 238000005422 blasting Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16301984U JPS6180883U (un) | 1984-10-30 | 1984-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16301984U JPS6180883U (un) | 1984-10-30 | 1984-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6180883U true JPS6180883U (un) | 1986-05-29 |
Family
ID=30720881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16301984U Pending JPS6180883U (un) | 1984-10-30 | 1984-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6180883U (un) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5712793A (en) * | 1980-06-27 | 1982-01-22 | Toyo Kogyo Co | Drilling of grooved hole |
-
1984
- 1984-10-30 JP JP16301984U patent/JPS6180883U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5712793A (en) * | 1980-06-27 | 1982-01-22 | Toyo Kogyo Co | Drilling of grooved hole |