JPH0418115B2 - - Google Patents
Info
- Publication number
- JPH0418115B2 JPH0418115B2 JP20780084A JP20780084A JPH0418115B2 JP H0418115 B2 JPH0418115 B2 JP H0418115B2 JP 20780084 A JP20780084 A JP 20780084A JP 20780084 A JP20780084 A JP 20780084A JP H0418115 B2 JPH0418115 B2 JP H0418115B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling water
- bit
- core
- cover
- cover body
- 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
- 239000000498 cooling water Substances 0.000 claims description 37
- 238000005553 drilling Methods 0.000 claims description 12
- 230000002265 prevention Effects 0.000 claims description 12
- 239000003566 sealing material Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000013013 elastic material Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000011084 recovery Methods 0.000 description 6
- 238000011109 contamination Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20780084A JPS6187093A (ja) | 1984-10-03 | 1984-10-03 | 穿孔機の冷却水飛散防止装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20780084A JPS6187093A (ja) | 1984-10-03 | 1984-10-03 | 穿孔機の冷却水飛散防止装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6187093A JPS6187093A (ja) | 1986-05-02 |
| JPH0418115B2 true JPH0418115B2 (de) | 1992-03-26 |
Family
ID=16545701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20780084A Granted JPS6187093A (ja) | 1984-10-03 | 1984-10-03 | 穿孔機の冷却水飛散防止装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6187093A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4806458B2 (ja) * | 2009-06-08 | 2011-11-02 | 株式会社呉英製作所 | 工具ガイド機構および深穴明機 |
| CN110742672B (zh) * | 2019-11-28 | 2021-08-31 | 张兴卷 | 一种用于骨组织手术的安全系数高的钻孔装置 |
-
1984
- 1984-10-03 JP JP20780084A patent/JPS6187093A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6187093A (ja) | 1986-05-02 |
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