JPS6285309U - - Google Patents
Info
- Publication number
- JPS6285309U JPS6285309U JP17734285U JP17734285U JPS6285309U JP S6285309 U JPS6285309 U JP S6285309U JP 17734285 U JP17734285 U JP 17734285U JP 17734285 U JP17734285 U JP 17734285U JP S6285309 U JPS6285309 U JP S6285309U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical body
- drill
- circumferential surface
- holding piece
- inclined surface
- 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 1
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Drilling And Boring (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17734285U JPS6285309U (zh) | 1985-11-18 | 1985-11-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17734285U JPS6285309U (zh) | 1985-11-18 | 1985-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6285309U true JPS6285309U (zh) | 1987-05-30 |
Family
ID=31118458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17734285U Pending JPS6285309U (zh) | 1985-11-18 | 1985-11-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6285309U (zh) |
-
1985
- 1985-11-18 JP JP17734285U patent/JPS6285309U/ja active Pending