JPH02116586U - - Google Patents
Info
- Publication number
- JPH02116586U JPH02116586U JP2539289U JP2539289U JPH02116586U JP H02116586 U JPH02116586 U JP H02116586U JP 2539289 U JP2539289 U JP 2539289U JP 2539289 U JP2539289 U JP 2539289U JP H02116586 U JPH02116586 U JP H02116586U
- Authority
- JP
- Japan
- Prior art keywords
- bit
- bit head
- protrusion
- head
- blades
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989025392U JP2543575Y2 (ja) | 1989-03-06 | 1989-03-06 | ロックビット |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989025392U JP2543575Y2 (ja) | 1989-03-06 | 1989-03-06 | ロックビット |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02116586U true JPH02116586U (fr) | 1990-09-18 |
| JP2543575Y2 JP2543575Y2 (ja) | 1997-08-06 |
Family
ID=31246090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989025392U Expired - Lifetime JP2543575Y2 (ja) | 1989-03-06 | 1989-03-06 | ロックビット |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2543575Y2 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008520870A (ja) * | 2004-11-17 | 2008-06-19 | サンドビック インテレクチュアル プロパティー アクティエボラーグ | ロック・ドリルビット |
| JP2023138194A (ja) * | 2022-03-19 | 2023-10-02 | 松原鉄工株式会社 | ドリルビット |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5435561A (en) * | 1977-08-22 | 1979-03-15 | Fmc Corp | Method and device for winding up continuous strapping |
-
1989
- 1989-03-06 JP JP1989025392U patent/JP2543575Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5435561A (en) * | 1977-08-22 | 1979-03-15 | Fmc Corp | Method and device for winding up continuous strapping |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008520870A (ja) * | 2004-11-17 | 2008-06-19 | サンドビック インテレクチュアル プロパティー アクティエボラーグ | ロック・ドリルビット |
| JP4709226B2 (ja) * | 2004-11-17 | 2011-06-22 | サンドビック インテレクチュアル プロパティー アクティエボラーグ | ロック・ドリルビット |
| JP2023138194A (ja) * | 2022-03-19 | 2023-10-02 | 松原鉄工株式会社 | ドリルビット |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2543575Y2 (ja) | 1997-08-06 |