JPS6231507Y2 - - Google Patents
Info
- Publication number
- JPS6231507Y2 JPS6231507Y2 JP13859782U JP13859782U JPS6231507Y2 JP S6231507 Y2 JPS6231507 Y2 JP S6231507Y2 JP 13859782 U JP13859782 U JP 13859782U JP 13859782 U JP13859782 U JP 13859782U JP S6231507 Y2 JPS6231507 Y2 JP S6231507Y2
- Authority
- JP
- Japan
- Prior art keywords
- tip
- drill
- carbide
- cutting
- circumferential 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.)
- Expired
Links
- 238000005553 drilling Methods 0.000 description 5
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13859782U JPS5943591U (ja) | 1982-09-13 | 1982-09-13 | 超硬面取り刃付ハンマ−ドリル |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13859782U JPS5943591U (ja) | 1982-09-13 | 1982-09-13 | 超硬面取り刃付ハンマ−ドリル |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5943591U JPS5943591U (ja) | 1984-03-22 |
| JPS6231507Y2 true JPS6231507Y2 (en:Method) | 1987-08-12 |
Family
ID=30310926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13859782U Granted JPS5943591U (ja) | 1982-09-13 | 1982-09-13 | 超硬面取り刃付ハンマ−ドリル |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5943591U (en:Method) |
-
1982
- 1982-09-13 JP JP13859782U patent/JPS5943591U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5943591U (ja) | 1984-03-22 |
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