JPH0617877Y2 - 地下構造物用蓋 - Google Patents
地下構造物用蓋Info
- Publication number
- JPH0617877Y2 JPH0617877Y2 JP1987160464U JP16046487U JPH0617877Y2 JP H0617877 Y2 JPH0617877 Y2 JP H0617877Y2 JP 1987160464 U JP1987160464 U JP 1987160464U JP 16046487 U JP16046487 U JP 16046487U JP H0617877 Y2 JPH0617877 Y2 JP H0617877Y2
- Authority
- JP
- Japan
- Prior art keywords
- lid
- hanging edge
- underground structure
- lid body
- back surface
- 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
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000007547 defect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987160464U JPH0617877Y2 (ja) | 1987-10-20 | 1987-10-20 | 地下構造物用蓋 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987160464U JPH0617877Y2 (ja) | 1987-10-20 | 1987-10-20 | 地下構造物用蓋 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0165348U JPH0165348U (en]) | 1989-04-26 |
| JPH0617877Y2 true JPH0617877Y2 (ja) | 1994-05-11 |
Family
ID=31442549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987160464U Expired - Lifetime JPH0617877Y2 (ja) | 1987-10-20 | 1987-10-20 | 地下構造物用蓋 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0617877Y2 (en]) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5925974Y2 (ja) * | 1979-09-24 | 1984-07-28 | 旭可鍛鉄株式会社 | マンホ−ル蓋 |
-
1987
- 1987-10-20 JP JP1987160464U patent/JPH0617877Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0165348U (en]) | 1989-04-26 |
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