JPH053556Y2 - - Google Patents
Info
- Publication number
- JPH053556Y2 JPH053556Y2 JP1986193085U JP19308586U JPH053556Y2 JP H053556 Y2 JPH053556 Y2 JP H053556Y2 JP 1986193085 U JP1986193085 U JP 1986193085U JP 19308586 U JP19308586 U JP 19308586U JP H053556 Y2 JPH053556 Y2 JP H053556Y2
- Authority
- JP
- Japan
- Prior art keywords
- manhole cover
- hook
- manhole
- water
- recess
- 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 - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000035699 permeability Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986193085U JPH053556Y2 (fr) | 1986-12-17 | 1986-12-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986193085U JPH053556Y2 (fr) | 1986-12-17 | 1986-12-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63100549U JPS63100549U (fr) | 1988-06-30 |
| JPH053556Y2 true JPH053556Y2 (fr) | 1993-01-28 |
Family
ID=31148776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986193085U Expired - Lifetime JPH053556Y2 (fr) | 1986-12-17 | 1986-12-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH053556Y2 (fr) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5625524A (en) * | 1979-08-07 | 1981-03-11 | Nissho Kosan Kk | Hinge structure of lid |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS583891Y2 (ja) * | 1980-12-10 | 1983-01-22 | 日昭興産株式会社 | 地下連結用蓋の孔開閉構造 |
-
1986
- 1986-12-17 JP JP1986193085U patent/JPH053556Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5625524A (en) * | 1979-08-07 | 1981-03-11 | Nissho Kosan Kk | Hinge structure of lid |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63100549U (fr) | 1988-06-30 |
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