JPS63181692U - - Google Patents
Info
- Publication number
- JPS63181692U JPS63181692U JP6786387U JP6786387U JPS63181692U JP S63181692 U JPS63181692 U JP S63181692U JP 6786387 U JP6786387 U JP 6786387U JP 6786387 U JP6786387 U JP 6786387U JP S63181692 U JPS63181692 U JP S63181692U
- Authority
- JP
- Japan
- Prior art keywords
- inner tube
- outer tube
- tube
- connects
- attached
- 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
- 238000005553 drilling Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6786387U JPS63181692U (fi) | 1987-05-08 | 1987-05-08 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6786387U JPS63181692U (fi) | 1987-05-08 | 1987-05-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63181692U true JPS63181692U (fi) | 1988-11-24 |
Family
ID=30907153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6786387U Pending JPS63181692U (fi) | 1987-05-08 | 1987-05-08 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63181692U (fi) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11173058A (ja) * | 1997-12-12 | 1999-06-29 | Ohbayashi Corp | 削孔工法 |
JPH11173057A (ja) * | 1997-12-12 | 1999-06-29 | Ohbayashi Corp | 削孔工法 |
-
1987
- 1987-05-08 JP JP6786387U patent/JPS63181692U/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11173058A (ja) * | 1997-12-12 | 1999-06-29 | Ohbayashi Corp | 削孔工法 |
JPH11173057A (ja) * | 1997-12-12 | 1999-06-29 | Ohbayashi Corp | 削孔工法 |