JPH0447250Y2 - - Google Patents
Info
- Publication number
- JPH0447250Y2 JPH0447250Y2 JP1988148909U JP14890988U JPH0447250Y2 JP H0447250 Y2 JPH0447250 Y2 JP H0447250Y2 JP 1988148909 U JP1988148909 U JP 1988148909U JP 14890988 U JP14890988 U JP 14890988U JP H0447250 Y2 JPH0447250 Y2 JP H0447250Y2
- Authority
- JP
- Japan
- Prior art keywords
- lifting
- manhole
- side block
- reinforcing
- pipe
- 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
- 230000003014 reinforcing effect Effects 0.000 claims description 27
- 230000005484 gravity Effects 0.000 claims description 4
- 230000037431 insertion Effects 0.000 description 8
- 238000003780 insertion Methods 0.000 description 8
- 230000002787 reinforcement Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988148909U JPH0447250Y2 (US06811534-20041102-M00003.png) | 1988-11-15 | 1988-11-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988148909U JPH0447250Y2 (US06811534-20041102-M00003.png) | 1988-11-15 | 1988-11-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0175159U JPH0175159U (US06811534-20041102-M00003.png) | 1989-05-22 |
| JPH0447250Y2 true JPH0447250Y2 (US06811534-20041102-M00003.png) | 1992-11-09 |
Family
ID=31420654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988148909U Expired JPH0447250Y2 (US06811534-20041102-M00003.png) | 1988-11-15 | 1988-11-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0447250Y2 (US06811534-20041102-M00003.png) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5420841U (US06811534-20041102-M00003.png) * | 1977-07-13 | 1979-02-09 | ||
| JPS583884U (ja) * | 1981-06-30 | 1983-01-11 | 松下電工株式会社 | 遮音カ−テン |
-
1988
- 1988-11-15 JP JP1988148909U patent/JPH0447250Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5420841U (US06811534-20041102-M00003.png) * | 1977-07-13 | 1979-02-09 | ||
| JPS583884U (ja) * | 1981-06-30 | 1983-01-11 | 松下電工株式会社 | 遮音カ−テン |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0175159U (US06811534-20041102-M00003.png) | 1989-05-22 |
