JPS6250636B2 - - Google Patents
Info
- Publication number
- JPS6250636B2 JPS6250636B2 JP22358182A JP22358182A JPS6250636B2 JP S6250636 B2 JPS6250636 B2 JP S6250636B2 JP 22358182 A JP22358182 A JP 22358182A JP 22358182 A JP22358182 A JP 22358182A JP S6250636 B2 JPS6250636 B2 JP S6250636B2
- Authority
- JP
- Japan
- Prior art keywords
- piston
- pressure
- chamber
- valve chamber
- air
- 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
- 238000009412 basement excavation Methods 0.000 claims description 7
- 238000009527 percussion Methods 0.000 claims description 2
- 238000005553 drilling Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000010304 firing Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22358182A JPS59114393A (ja) | 1982-12-20 | 1982-12-20 | 空圧打撃式掘削装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22358182A JPS59114393A (ja) | 1982-12-20 | 1982-12-20 | 空圧打撃式掘削装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59114393A JPS59114393A (ja) | 1984-07-02 |
JPS6250636B2 true JPS6250636B2 (ko) | 1987-10-26 |
Family
ID=16800403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22358182A Granted JPS59114393A (ja) | 1982-12-20 | 1982-12-20 | 空圧打撃式掘削装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59114393A (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH058991Y2 (ko) * | 1988-01-27 | 1993-03-05 | ||
JP2013515182A (ja) * | 2009-12-22 | 2013-05-02 | イン,スク シン | 穿孔装置用エアハンマー |
-
1982
- 1982-12-20 JP JP22358182A patent/JPS59114393A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH058991Y2 (ko) * | 1988-01-27 | 1993-03-05 | ||
JP2013515182A (ja) * | 2009-12-22 | 2013-05-02 | イン,スク シン | 穿孔装置用エアハンマー |
Also Published As
Publication number | Publication date |
---|---|
JPS59114393A (ja) | 1984-07-02 |
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