JPS5720475B2 - - Google Patents
Info
- Publication number
- JPS5720475B2 JPS5720475B2 JP10052779A JP10052779A JPS5720475B2 JP S5720475 B2 JPS5720475 B2 JP S5720475B2 JP 10052779 A JP10052779 A JP 10052779A JP 10052779 A JP10052779 A JP 10052779A JP S5720475 B2 JPS5720475 B2 JP S5720475B2
- Authority
- JP
- Japan
- 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
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10052779A JPS5625594A (en) | 1979-08-06 | 1979-08-06 | Tricoen bit and its manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10052779A JPS5625594A (en) | 1979-08-06 | 1979-08-06 | Tricoen bit and its manufacture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5625594A JPS5625594A (en) | 1981-03-11 |
| JPS5720475B2 true JPS5720475B2 (enExample) | 1982-04-28 |
Family
ID=14276427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10052779A Granted JPS5625594A (en) | 1979-08-06 | 1979-08-06 | Tricoen bit and its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5625594A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0196987U (enExample) * | 1987-12-19 | 1989-06-28 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS594788A (ja) * | 1982-06-28 | 1984-01-11 | 工業技術院長 | ロ−ラ−カツタ−ビツト |
| JPS6027191U (ja) * | 1983-07-29 | 1985-02-23 | 三菱マテリアル株式会社 | 重錘式掘削機の刃先構造 |
| US4597456A (en) * | 1984-07-23 | 1986-07-01 | Cdp, Ltd. | Conical cutters for drill bits, and processes to produce same |
| US4562892A (en) * | 1984-07-23 | 1986-01-07 | Cdp, Ltd. | Rolling cutters for drill bits |
-
1979
- 1979-08-06 JP JP10052779A patent/JPS5625594A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0196987U (enExample) * | 1987-12-19 | 1989-06-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5625594A (en) | 1981-03-11 |