JPS62200786U - - Google Patents
Info
- Publication number
- JPS62200786U JPS62200786U JP8640286U JP8640286U JPS62200786U JP S62200786 U JPS62200786 U JP S62200786U JP 8640286 U JP8640286 U JP 8640286U JP 8640286 U JP8640286 U JP 8640286U JP S62200786 U JPS62200786 U JP S62200786U
- Authority
- JP
- Japan
- Prior art keywords
- bit
- air
- suction port
- drilling equipment
- wet
- 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
- 238000005553 drilling Methods 0.000 claims description 10
- 238000009527 percussion Methods 0.000 claims description 6
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 239000003566 sealing material Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 2
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8640286U JPH0434231Y2 (cs) | 1986-06-06 | 1986-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8640286U JPH0434231Y2 (cs) | 1986-06-06 | 1986-06-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62200786U true JPS62200786U (cs) | 1987-12-21 |
| JPH0434231Y2 JPH0434231Y2 (cs) | 1992-08-14 |
Family
ID=30942674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8640286U Expired JPH0434231Y2 (cs) | 1986-06-06 | 1986-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0434231Y2 (cs) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019094708A (ja) * | 2017-11-24 | 2019-06-20 | 大智株式会社 | 掘削装置、回転式掘削機、掘削方法および掘削ビット |
| JP2019116808A (ja) * | 2017-12-27 | 2019-07-18 | 大智株式会社 | 掘削装置、回転式掘削機、掘削方法および掘削ビット |
| JP2019124009A (ja) * | 2018-01-12 | 2019-07-25 | 大智株式会社 | 掘削装置、回転式掘削機、掘削方法および掘削ビット |
| JP2020090864A (ja) * | 2018-12-06 | 2020-06-11 | 大智株式会社 | 掘削装置、および、回転式掘削機 |
-
1986
- 1986-06-06 JP JP8640286U patent/JPH0434231Y2/ja not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019094708A (ja) * | 2017-11-24 | 2019-06-20 | 大智株式会社 | 掘削装置、回転式掘削機、掘削方法および掘削ビット |
| JP2019116808A (ja) * | 2017-12-27 | 2019-07-18 | 大智株式会社 | 掘削装置、回転式掘削機、掘削方法および掘削ビット |
| JP2019124009A (ja) * | 2018-01-12 | 2019-07-25 | 大智株式会社 | 掘削装置、回転式掘削機、掘削方法および掘削ビット |
| JP2020090864A (ja) * | 2018-12-06 | 2020-06-11 | 大智株式会社 | 掘削装置、および、回転式掘削機 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0434231Y2 (cs) | 1992-08-14 |
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