JPH0223614Y2 - - Google Patents
Info
- Publication number
- JPH0223614Y2 JPH0223614Y2 JP3747785U JP3747785U JPH0223614Y2 JP H0223614 Y2 JPH0223614 Y2 JP H0223614Y2 JP 3747785 U JP3747785 U JP 3747785U JP 3747785 U JP3747785 U JP 3747785U JP H0223614 Y2 JPH0223614 Y2 JP H0223614Y2
- Authority
- JP
- Japan
- Prior art keywords
- water supply
- rotary
- supply port
- rotary bit
- bit
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 239000000498 cooling water Substances 0.000 claims description 20
- 238000009412 basement excavation Methods 0.000 claims description 11
- 238000005553 drilling Methods 0.000 description 19
- 230000000694 effects Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000003028 elevating effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Road Repair (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3747785U JPH0223614Y2 (cg-RX-API-DMAC7.html) | 1985-03-18 | 1985-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3747785U JPH0223614Y2 (cg-RX-API-DMAC7.html) | 1985-03-18 | 1985-03-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61155408U JPS61155408U (cg-RX-API-DMAC7.html) | 1986-09-26 |
| JPH0223614Y2 true JPH0223614Y2 (cg-RX-API-DMAC7.html) | 1990-06-27 |
Family
ID=30543593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3747785U Expired JPH0223614Y2 (cg-RX-API-DMAC7.html) | 1985-03-18 | 1985-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0223614Y2 (cg-RX-API-DMAC7.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5623716B2 (ja) * | 2009-07-31 | 2014-11-12 | 株式会社芝技研 | 加工用ドリル、加工装置、及び加工体の製造方法 |
| CA3149419A1 (en) * | 2019-08-30 | 2021-03-04 | Jingxin SONG | Tool cooling mechanism |
-
1985
- 1985-03-18 JP JP3747785U patent/JPH0223614Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61155408U (cg-RX-API-DMAC7.html) | 1986-09-26 |
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