JPH0412588U - - Google Patents
Info
- Publication number
- JPH0412588U JPH0412588U JP5306090U JP5306090U JPH0412588U JP H0412588 U JPH0412588 U JP H0412588U JP 5306090 U JP5306090 U JP 5306090U JP 5306090 U JP5306090 U JP 5306090U JP H0412588 U JPH0412588 U JP H0412588U
- Authority
- JP
- Japan
- Prior art keywords
- casing tube
- grab bucket
- sand
- earth
- protrusion
- 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
- 230000002265 prevention Effects 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5306090U JPH0412588U (ko) | 1990-05-23 | 1990-05-23 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5306090U JPH0412588U (ko) | 1990-05-23 | 1990-05-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0412588U true JPH0412588U (ko) | 1992-01-31 |
Family
ID=31573916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5306090U Pending JPH0412588U (ko) | 1990-05-23 | 1990-05-23 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0412588U (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019007149A (ja) * | 2017-06-21 | 2019-01-17 | 菱建基礎株式会社 | フリクションカットケーシング |
-
1990
- 1990-05-23 JP JP5306090U patent/JPH0412588U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019007149A (ja) * | 2017-06-21 | 2019-01-17 | 菱建基礎株式会社 | フリクションカットケーシング |