JPH01112910U - - Google Patents
Info
- Publication number
- JPH01112910U JPH01112910U JP750088U JP750088U JPH01112910U JP H01112910 U JPH01112910 U JP H01112910U JP 750088 U JP750088 U JP 750088U JP 750088 U JP750088 U JP 750088U JP H01112910 U JPH01112910 U JP H01112910U
- Authority
- JP
- Japan
- Prior art keywords
- ring
- concrete
- end protection
- protection ring
- paper
- 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
- 239000002131 composite material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009415 formwork Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP750088U JPH0521366Y2 (en]) | 1988-01-22 | 1988-01-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP750088U JPH0521366Y2 (en]) | 1988-01-22 | 1988-01-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01112910U true JPH01112910U (en]) | 1989-07-28 |
| JPH0521366Y2 JPH0521366Y2 (en]) | 1993-06-01 |
Family
ID=31212560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP750088U Expired - Lifetime JPH0521366Y2 (en]) | 1988-01-22 | 1988-01-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0521366Y2 (en]) |
-
1988
- 1988-01-22 JP JP750088U patent/JPH0521366Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0521366Y2 (en]) | 1993-06-01 |