JPH0438382U - - Google Patents
Info
- Publication number
- JPH0438382U JPH0438382U JP7880790U JP7880790U JPH0438382U JP H0438382 U JPH0438382 U JP H0438382U JP 7880790 U JP7880790 U JP 7880790U JP 7880790 U JP7880790 U JP 7880790U JP H0438382 U JPH0438382 U JP H0438382U
- Authority
- JP
- Japan
- Prior art keywords
- adjusting sleeve
- circumferential surface
- discharge hole
- bit
- adjusting
- 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
- 239000000428 dust Substances 0.000 claims description 2
- 238000005553 drilling Methods 0.000 claims 1
Landscapes
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7880790U JPH0438382U (cs) | 1990-07-25 | 1990-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7880790U JPH0438382U (cs) | 1990-07-25 | 1990-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0438382U true JPH0438382U (cs) | 1992-03-31 |
Family
ID=31622401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7880790U Pending JPH0438382U (cs) | 1990-07-25 | 1990-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0438382U (cs) |
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1990
- 1990-07-25 JP JP7880790U patent/JPH0438382U/ja active Pending