JPH02106091U - - Google Patents
Info
- Publication number
- JPH02106091U JPH02106091U JP1422189U JP1422189U JPH02106091U JP H02106091 U JPH02106091 U JP H02106091U JP 1422189 U JP1422189 U JP 1422189U JP 1422189 U JP1422189 U JP 1422189U JP H02106091 U JPH02106091 U JP H02106091U
- Authority
- JP
- Japan
- Prior art keywords
- wedge
- bit
- shank
- curved surface
- shaped
- 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.)
- Granted
Links
- 230000001154 acute effect Effects 0.000 claims 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1422189U JPH0633030Y2 (ja) | 1989-02-08 | 1989-02-08 | 回転ドリルヘッド用ビット |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1422189U JPH0633030Y2 (ja) | 1989-02-08 | 1989-02-08 | 回転ドリルヘッド用ビット |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02106091U true JPH02106091U (https=) | 1990-08-23 |
| JPH0633030Y2 JPH0633030Y2 (ja) | 1994-08-31 |
Family
ID=31225229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1422189U Expired - Lifetime JPH0633030Y2 (ja) | 1989-02-08 | 1989-02-08 | 回転ドリルヘッド用ビット |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0633030Y2 (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020190100A (ja) * | 2019-05-21 | 2020-11-26 | 金属工具株式会社 | オーガービット |
-
1989
- 1989-02-08 JP JP1422189U patent/JPH0633030Y2/ja not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020190100A (ja) * | 2019-05-21 | 2020-11-26 | 金属工具株式会社 | オーガービット |
| WO2020235407A1 (ja) * | 2019-05-21 | 2020-11-26 | 金属工具株式会社 | オーガービット |
| CN113994067A (zh) * | 2019-05-21 | 2022-01-28 | 金属工具株式会社 | 一种螺旋钻头 |
| US11795765B2 (en) | 2019-05-21 | 2023-10-24 | Metal Tool Inc | Auger bit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0633030Y2 (ja) | 1994-08-31 |