JPH0247113U - - Google Patents
Info
- Publication number
- JPH0247113U JPH0247113U JP12692288U JP12692288U JPH0247113U JP H0247113 U JPH0247113 U JP H0247113U JP 12692288 U JP12692288 U JP 12692288U JP 12692288 U JP12692288 U JP 12692288U JP H0247113 U JPH0247113 U JP H0247113U
- Authority
- JP
- Japan
- Prior art keywords
- drill
- core drill
- holes
- barrel
- inclination angle
- 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
Landscapes
- Drilling Tools (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988126922U JPH0632252Y2 (ja) | 1988-09-27 | 1988-09-27 | コアードリル |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988126922U JPH0632252Y2 (ja) | 1988-09-27 | 1988-09-27 | コアードリル |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0247113U true JPH0247113U (th) | 1990-03-30 |
| JPH0632252Y2 JPH0632252Y2 (ja) | 1994-08-24 |
Family
ID=31378882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988126922U Expired - Lifetime JPH0632252Y2 (ja) | 1988-09-27 | 1988-09-27 | コアードリル |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0632252Y2 (th) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100736941B1 (ko) * | 2006-02-24 | 2007-07-10 | 이화다이아몬드공업 주식회사 | 코아 드릴 및 그 제조방법 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5494693U (th) * | 1977-12-17 | 1979-07-04 | ||
| JPS54175091U (th) * | 1978-05-31 | 1979-12-11 | ||
| JPS59131806U (ja) * | 1983-02-23 | 1984-09-04 | 三菱マテリアル株式会社 | ダイヤモンドコアドリル |
-
1988
- 1988-09-27 JP JP1988126922U patent/JPH0632252Y2/ja not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5494693U (th) * | 1977-12-17 | 1979-07-04 | ||
| JPS54175091U (th) * | 1978-05-31 | 1979-12-11 | ||
| JPS59131806U (ja) * | 1983-02-23 | 1984-09-04 | 三菱マテリアル株式会社 | ダイヤモンドコアドリル |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100736941B1 (ko) * | 2006-02-24 | 2007-07-10 | 이화다이아몬드공업 주식회사 | 코아 드릴 및 그 제조방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0632252Y2 (ja) | 1994-08-24 |