JPH0242791Y2 - - Google Patents
Info
- Publication number
- JPH0242791Y2 JPH0242791Y2 JP18541485U JP18541485U JPH0242791Y2 JP H0242791 Y2 JPH0242791 Y2 JP H0242791Y2 JP 18541485 U JP18541485 U JP 18541485U JP 18541485 U JP18541485 U JP 18541485U JP H0242791 Y2 JPH0242791 Y2 JP H0242791Y2
- Authority
- JP
- Japan
- Prior art keywords
- cutter
- ring body
- flange
- notch
- disk
- 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 2
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18541485U JPH0242791Y2 (en]) | 1985-11-29 | 1985-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18541485U JPH0242791Y2 (en]) | 1985-11-29 | 1985-11-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6294186U JPS6294186U (en]) | 1987-06-16 |
| JPH0242791Y2 true JPH0242791Y2 (en]) | 1990-11-14 |
Family
ID=31134018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18541485U Expired JPH0242791Y2 (en]) | 1985-11-29 | 1985-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0242791Y2 (en]) |
-
1985
- 1985-11-29 JP JP18541485U patent/JPH0242791Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6294186U (en]) | 1987-06-16 |
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