JPS63144179U - - Google Patents
Info
- Publication number
- JPS63144179U JPS63144179U JP3678387U JP3678387U JPS63144179U JP S63144179 U JPS63144179 U JP S63144179U JP 3678387 U JP3678387 U JP 3678387U JP 3678387 U JP3678387 U JP 3678387U JP S63144179 U JPS63144179 U JP S63144179U
- Authority
- JP
- Japan
- Prior art keywords
- passage
- piston
- switching
- switching member
- cylinder
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Percussive Tools And Related Accessories (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3678387U JPS63144179U (tr) | 1987-03-12 | 1987-03-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3678387U JPS63144179U (tr) | 1987-03-12 | 1987-03-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63144179U true JPS63144179U (tr) | 1988-09-22 |
Family
ID=30847511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3678387U Pending JPS63144179U (tr) | 1987-03-12 | 1987-03-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63144179U (tr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005533665A (ja) * | 2002-07-24 | 2005-11-10 | バントリー リミテッド | ソニックドリル |
-
1987
- 1987-03-12 JP JP3678387U patent/JPS63144179U/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005533665A (ja) * | 2002-07-24 | 2005-11-10 | バントリー リミテッド | ソニックドリル |
JP4647999B2 (ja) * | 2002-07-24 | 2011-03-09 | バントリー リミテッド | ドリルストリングに加えるための正弦圧力波を発生させる装置 |
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