JPH0237866Y2 - - Google Patents
Info
- Publication number
- JPH0237866Y2 JPH0237866Y2 JP6537584U JP6537584U JPH0237866Y2 JP H0237866 Y2 JPH0237866 Y2 JP H0237866Y2 JP 6537584 U JP6537584 U JP 6537584U JP 6537584 U JP6537584 U JP 6537584U JP H0237866 Y2 JPH0237866 Y2 JP H0237866Y2
- Authority
- JP
- Japan
- Prior art keywords
- elevator
- hole
- lid
- manhole
- frame
- 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
- 238000000465 moulding Methods 0.000 claims 1
- 229910001018 Cast iron Inorganic materials 0.000 description 4
- 230000005484 gravity Effects 0.000 description 2
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6537584U JPS60178052U (ja) | 1984-05-02 | 1984-05-02 | マンホ−ル枠 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6537584U JPS60178052U (ja) | 1984-05-02 | 1984-05-02 | マンホ−ル枠 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60178052U JPS60178052U (ja) | 1985-11-26 |
| JPH0237866Y2 true JPH0237866Y2 (uk) | 1990-10-12 |
Family
ID=30597317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6537584U Granted JPS60178052U (ja) | 1984-05-02 | 1984-05-02 | マンホ−ル枠 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60178052U (uk) |
-
1984
- 1984-05-02 JP JP6537584U patent/JPS60178052U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60178052U (ja) | 1985-11-26 |
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