JPS5935648Y2 - マンホ−ルの蓋 - Google Patents
マンホ−ルの蓋Info
- Publication number
- JPS5935648Y2 JPS5935648Y2 JP12245280U JP12245280U JPS5935648Y2 JP S5935648 Y2 JPS5935648 Y2 JP S5935648Y2 JP 12245280 U JP12245280 U JP 12245280U JP 12245280 U JP12245280 U JP 12245280U JP S5935648 Y2 JPS5935648 Y2 JP S5935648Y2
- Authority
- JP
- Japan
- Prior art keywords
- lid
- knob
- leaf spring
- recess
- manhole cover
- 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
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 230000001877 deodorizing effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12245280U JPS5935648Y2 (ja) | 1980-08-30 | 1980-08-30 | マンホ−ルの蓋 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12245280U JPS5935648Y2 (ja) | 1980-08-30 | 1980-08-30 | マンホ−ルの蓋 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5746654U JPS5746654U (enExample) | 1982-03-15 |
| JPS5935648Y2 true JPS5935648Y2 (ja) | 1984-10-02 |
Family
ID=29483065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12245280U Expired JPS5935648Y2 (ja) | 1980-08-30 | 1980-08-30 | マンホ−ルの蓋 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5935648Y2 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2563961Y2 (ja) * | 1989-06-22 | 1998-03-04 | 油谷重工株式会社 | 作業車両の走行油圧回路 |
-
1980
- 1980-08-30 JP JP12245280U patent/JPS5935648Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5746654U (enExample) | 1982-03-15 |
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