JPH02144044U - - Google Patents
Info
- Publication number
- JPH02144044U JPH02144044U JP5197989U JP5197989U JPH02144044U JP H02144044 U JPH02144044 U JP H02144044U JP 5197989 U JP5197989 U JP 5197989U JP 5197989 U JP5197989 U JP 5197989U JP H02144044 U JPH02144044 U JP H02144044U
- Authority
- JP
- Japan
- Prior art keywords
- hollow tube
- hole
- extruded piece
- axial direction
- attached
- 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.)
- Granted
Links
- 238000007790 scraping Methods 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims 1
- 239000013049 sediment Substances 0.000 claims 1
- 238000001125 extrusion Methods 0.000 description 1
Landscapes
- Cleaning In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5197989U JPH04113Y2 (https=) | 1989-05-02 | 1989-05-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5197989U JPH04113Y2 (https=) | 1989-05-02 | 1989-05-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02144044U true JPH02144044U (https=) | 1990-12-06 |
| JPH04113Y2 JPH04113Y2 (https=) | 1992-01-06 |
Family
ID=31571891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5197989U Expired JPH04113Y2 (https=) | 1989-05-02 | 1989-05-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04113Y2 (https=) |
-
1989
- 1989-05-02 JP JP5197989U patent/JPH04113Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04113Y2 (https=) | 1992-01-06 |