JPS6241109Y2 - - Google Patents
Info
- Publication number
- JPS6241109Y2 JPS6241109Y2 JP1983075464U JP7546483U JPS6241109Y2 JP S6241109 Y2 JPS6241109 Y2 JP S6241109Y2 JP 1983075464 U JP1983075464 U JP 1983075464U JP 7546483 U JP7546483 U JP 7546483U JP S6241109 Y2 JPS6241109 Y2 JP S6241109Y2
- Authority
- JP
- Japan
- Prior art keywords
- excavation
- blade
- cutting edge
- groove
- rock
- 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
- 238000009412 basement excavation Methods 0.000 description 15
- 239000011435 rock Substances 0.000 description 7
- 239000002689 soil Substances 0.000 description 6
- 239000004576 sand Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7546483U JPS59183991U (ja) | 1983-05-19 | 1983-05-19 | ア−スオ−ガ−用掘削刃 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7546483U JPS59183991U (ja) | 1983-05-19 | 1983-05-19 | ア−スオ−ガ−用掘削刃 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59183991U JPS59183991U (ja) | 1984-12-07 |
JPS6241109Y2 true JPS6241109Y2 (fr) | 1987-10-21 |
Family
ID=30205530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7546483U Granted JPS59183991U (ja) | 1983-05-19 | 1983-05-19 | ア−スオ−ガ−用掘削刃 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59183991U (fr) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59140392U (ja) * | 1983-03-05 | 1984-09-19 | 株式会社菱備基礎 | 障害地盤削孔用掘削刃 |
-
1983
- 1983-05-19 JP JP7546483U patent/JPS59183991U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59183991U (ja) | 1984-12-07 |
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