JPH03103395U - - Google Patents
Info
- Publication number
- JPH03103395U JPH03103395U JP1155990U JP1155990U JPH03103395U JP H03103395 U JPH03103395 U JP H03103395U JP 1155990 U JP1155990 U JP 1155990U JP 1155990 U JP1155990 U JP 1155990U JP H03103395 U JPH03103395 U JP H03103395U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- buried
- main body
- leading
- small
- 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
- 238000004519 manufacturing process Methods 0.000 claims 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1155990U JPH03103395U (es) | 1990-02-09 | 1990-02-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1155990U JPH03103395U (es) | 1990-02-09 | 1990-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03103395U true JPH03103395U (es) | 1991-10-28 |
Family
ID=31515082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1155990U Pending JPH03103395U (es) | 1990-02-09 | 1990-02-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03103395U (es) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS549410A (en) * | 1977-06-23 | 1979-01-24 | Hitachi Construction Machinery | Excavator for method of propelling construction |
| JPH01260198A (ja) * | 1988-04-08 | 1989-10-17 | Mitsubishi Kensetsu Kk | 外径可変人孔回収式セミシールド機と、その推進工法 |
-
1990
- 1990-02-09 JP JP1155990U patent/JPH03103395U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS549410A (en) * | 1977-06-23 | 1979-01-24 | Hitachi Construction Machinery | Excavator for method of propelling construction |
| JPH01260198A (ja) * | 1988-04-08 | 1989-10-17 | Mitsubishi Kensetsu Kk | 外径可変人孔回収式セミシールド機と、その推進工法 |