JPH0415691U - - Google Patents
Info
- Publication number
- JPH0415691U JPH0415691U JP5647390U JP5647390U JPH0415691U JP H0415691 U JPH0415691 U JP H0415691U JP 5647390 U JP5647390 U JP 5647390U JP 5647390 U JP5647390 U JP 5647390U JP H0415691 U JPH0415691 U JP H0415691U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- main body
- ground
- device main
- leading
- 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.)
- Granted
Links
- 239000004576 sand Substances 0.000 claims 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990056473U JP2564663Y2 (ja) | 1990-05-31 | 1990-05-31 | 小口径管地中埋設機の推進装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990056473U JP2564663Y2 (ja) | 1990-05-31 | 1990-05-31 | 小口径管地中埋設機の推進装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0415691U true JPH0415691U (da) | 1992-02-07 |
JP2564663Y2 JP2564663Y2 (ja) | 1998-03-09 |
Family
ID=31580329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990056473U Expired - Lifetime JP2564663Y2 (ja) | 1990-05-31 | 1990-05-31 | 小口径管地中埋設機の推進装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2564663Y2 (da) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61122395A (ja) * | 1984-11-15 | 1986-06-10 | 株式会社 扶桑技研 | 土圧対抗形の地中管通方法 |
JPS61112098U (da) * | 1985-11-22 | 1986-07-15 |
-
1990
- 1990-05-31 JP JP1990056473U patent/JP2564663Y2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61122395A (ja) * | 1984-11-15 | 1986-06-10 | 株式会社 扶桑技研 | 土圧対抗形の地中管通方法 |
JPS61112098U (da) * | 1985-11-22 | 1986-07-15 |
Also Published As
Publication number | Publication date |
---|---|
JP2564663Y2 (ja) | 1998-03-09 |