JPH0442392Y2 - - Google Patents
Info
- Publication number
- JPH0442392Y2 JPH0442392Y2 JP15479387U JP15479387U JPH0442392Y2 JP H0442392 Y2 JPH0442392 Y2 JP H0442392Y2 JP 15479387 U JP15479387 U JP 15479387U JP 15479387 U JP15479387 U JP 15479387U JP H0442392 Y2 JPH0442392 Y2 JP H0442392Y2
- Authority
- JP
- Japan
- Prior art keywords
- drum
- conical bit
- blade
- cutting
- conical
- 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.)
- Expired
Links
- 238000005520 cutting process Methods 0.000 claims description 44
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000009412 basement excavation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000004927 clay Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15479387U JPH0442392Y2 (en]) | 1987-10-09 | 1987-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15479387U JPH0442392Y2 (en]) | 1987-10-09 | 1987-10-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0161291U JPH0161291U (en]) | 1989-04-19 |
| JPH0442392Y2 true JPH0442392Y2 (en]) | 1992-10-06 |
Family
ID=31431844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15479387U Expired JPH0442392Y2 (en]) | 1987-10-09 | 1987-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442392Y2 (en]) |
-
1987
- 1987-10-09 JP JP15479387U patent/JPH0442392Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0161291U (en]) | 1989-04-19 |
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