JPS6238994U - - Google Patents
Info
- Publication number
- JPS6238994U JPS6238994U JP13204985U JP13204985U JPS6238994U JP S6238994 U JPS6238994 U JP S6238994U JP 13204985 U JP13204985 U JP 13204985U JP 13204985 U JP13204985 U JP 13204985U JP S6238994 U JPS6238994 U JP S6238994U
- Authority
- JP
- Japan
- Prior art keywords
- bit
- casing
- pipe
- piston
- passage
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims 3
- 238000009412 basement excavation Methods 0.000 claims 2
- 238000009527 percussion Methods 0.000 claims 2
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13204985U JPS6238994U (fr) | 1985-08-29 | 1985-08-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13204985U JPS6238994U (fr) | 1985-08-29 | 1985-08-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6238994U true JPS6238994U (fr) | 1987-03-07 |
Family
ID=31031074
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13204985U Pending JPS6238994U (fr) | 1985-08-29 | 1985-08-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6238994U (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012520400A (ja) * | 2009-03-10 | 2012-09-06 | ジオ−モール リミテッド | 衝撃掘削機(percussionmole) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5420161A (en) * | 1977-07-13 | 1979-02-15 | Masaharu Takenawa | Production of konjak |
-
1985
- 1985-08-29 JP JP13204985U patent/JPS6238994U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5420161A (en) * | 1977-07-13 | 1979-02-15 | Masaharu Takenawa | Production of konjak |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012520400A (ja) * | 2009-03-10 | 2012-09-06 | ジオ−モール リミテッド | 衝撃掘削機(percussionmole) |
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