JPH0417484U - - Google Patents
Info
- Publication number
- JPH0417484U JPH0417484U JP6024490U JP6024490U JPH0417484U JP H0417484 U JPH0417484 U JP H0417484U JP 6024490 U JP6024490 U JP 6024490U JP 6024490 U JP6024490 U JP 6024490U JP H0417484 U JPH0417484 U JP H0417484U
- Authority
- JP
- Japan
- Prior art keywords
- rock drilling
- drilling bit
- button
- button tip
- diameter
- 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 9
- 239000011435 rock Substances 0.000 claims description 9
- 230000003247 decreasing effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000000428 dust Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6024490U JPH0417484U (en)van) | 1990-06-06 | 1990-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6024490U JPH0417484U (en)van) | 1990-06-06 | 1990-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0417484U true JPH0417484U (en)van) | 1992-02-13 |
Family
ID=31587440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6024490U Pending JPH0417484U (en)van) | 1990-06-06 | 1990-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0417484U (en)van) |
-
1990
- 1990-06-06 JP JP6024490U patent/JPH0417484U/ja active Pending