JPH01132884U - - Google Patents
Info
- Publication number
- JPH01132884U JPH01132884U JP2561088U JP2561088U JPH01132884U JP H01132884 U JPH01132884 U JP H01132884U JP 2561088 U JP2561088 U JP 2561088U JP 2561088 U JP2561088 U JP 2561088U JP H01132884 U JPH01132884 U JP H01132884U
- Authority
- JP
- Japan
- Prior art keywords
- buried pipe
- distal end
- rear end
- buried
- peripheral surface
- 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
- 238000000034 method Methods 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 4
- 238000003780 insertion Methods 0.000 claims 3
- 230000037431 insertion Effects 0.000 claims 3
- 230000007423 decrease Effects 0.000 claims 2
- 238000013459 approach Methods 0.000 claims 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2561088U JPH01132884U (en]) | 1988-02-26 | 1988-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2561088U JPH01132884U (en]) | 1988-02-26 | 1988-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01132884U true JPH01132884U (en]) | 1989-09-08 |
Family
ID=31246495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2561088U Pending JPH01132884U (en]) | 1988-02-26 | 1988-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01132884U (en]) |
-
1988
- 1988-02-26 JP JP2561088U patent/JPH01132884U/ja active Pending