JPH0223670Y2 - - Google Patents
Info
- Publication number
- JPH0223670Y2 JPH0223670Y2 JP985885U JP985885U JPH0223670Y2 JP H0223670 Y2 JPH0223670 Y2 JP H0223670Y2 JP 985885 U JP985885 U JP 985885U JP 985885 U JP985885 U JP 985885U JP H0223670 Y2 JPH0223670 Y2 JP H0223670Y2
- Authority
- JP
- Japan
- Prior art keywords
- shank
- bit
- holder
- casing pipe
- bit body
- 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.)
- Expired
Links
- 239000004576 sand Substances 0.000 description 8
- 238000009412 basement excavation Methods 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000010953 base metal Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
- Component Parts Of Construction Machinery (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP985885U JPH0223670Y2 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1985-01-24 | 1985-01-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP985885U JPH0223670Y2 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1985-01-24 | 1985-01-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61125586U JPS61125586U (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1986-08-07 |
| JPH0223670Y2 true JPH0223670Y2 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1990-06-27 |
Family
ID=30490476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP985885U Expired JPH0223670Y2 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1985-01-24 | 1985-01-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0223670Y2 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5249667B2 (ja) * | 2008-08-01 | 2013-07-31 | 株式会社技研製作所 | 切削工具 |
| JP6547196B2 (ja) * | 2017-08-25 | 2019-07-24 | エポコラム機工株式会社 | 掘削刃体 |
-
1985
- 1985-01-24 JP JP985885U patent/JPH0223670Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61125586U (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1986-08-07 |