JPS61146598U - - Google Patents
Info
- Publication number
- JPS61146598U JPS61146598U JP2145486U JP2145486U JPS61146598U JP S61146598 U JPS61146598 U JP S61146598U JP 2145486 U JP2145486 U JP 2145486U JP 2145486 U JP2145486 U JP 2145486U JP S61146598 U JPS61146598 U JP S61146598U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical wall
- cylindrical
- excavating blade
- cylindrical space
- main body
- 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
- 238000009412 basement excavation Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 239000011343 solid material Substances 0.000 claims 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2145486U JPS61146598U (enExample) | 1986-02-19 | 1986-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2145486U JPS61146598U (enExample) | 1986-02-19 | 1986-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61146598U true JPS61146598U (enExample) | 1986-09-10 |
Family
ID=30512864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2145486U Pending JPS61146598U (enExample) | 1986-02-19 | 1986-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61146598U (enExample) |
-
1986
- 1986-02-19 JP JP2145486U patent/JPS61146598U/ja active Pending
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